{"id":409,"date":"2026-04-03T13:07:17","date_gmt":"2026-04-03T13:07:17","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=409"},"modified":"2026-05-14T06:45:25","modified_gmt":"2026-05-14T06:45:25","slug":"alloy-steel-power-transmission-parts","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/uk\/alloy-steel-power-transmission-parts\/","title":{"rendered":"\u0414\u0435\u0442\u0430\u043b\u0456 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0456 \u043f\u043e\u0442\u0443\u0436\u043d\u043e\u0441\u0442\u0456 \u0437 \u043b\u0435\u0433\u043e\u0432\u0430\u043d\u043e\u0457 \u0441\u0442\u0430\u043b\u0456"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"409\" class=\"elementor elementor-409\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f9176b2 e-con-full e-flex e-con e-parent\" data-id=\"f9176b2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5b88cf elementor-widget elementor-widget-html\" data-id=\"e5b88cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- Alloy Steel Power Transmission & High-Strength Parts -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n\n<!-- \u2550\u2550 JSON-LD Structured Data \u2550\u2550 -->\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"ItemList\",\n      \"name\": \"Alloy Steel Power Transmission Parts \u2014 CNC Product Lines\",\n      \"description\": \"25 alloy steel CNC machined power transmission product lines: high-strength transmission shaft, input shaft, output shaft, spline shaft, gear shaft, connecting rod, fork connector, steering connector, high-strength coupling, flanged sleeve, gear blank, sprocket, cam, eccentric wheel, drive sleeve, wear-resistant bushing, high-load support, torque transmission part, module transmission part, hydraulic equipment connector, robot arm load joint, automotive component, industrial power transmission part, carburised gear, wear-resistant sleeve, and gearbox mechanism part.\",\n      \"numberOfItems\": 25,\n      \"itemListElement\": [\n        {\"@type\":\"ListItem\",\"position\":1,\"name\":\"High-Strength Transmission Shaft\",\"description\":\"42CrMo or 40Cr alloy steel transmission shaft, Q&T HRC 28\u201336, bearing seat k6, keyway DIN 6885, fatigue-rated.\"},\n        {\"@type\":\"ListItem\",\"position\":2,\"name\":\"Input Shaft\",\"description\":\"Alloy steel input shaft for gearbox, motor, and drive train assemblies; spigot bore H7, shoulder runout \u22640.01mm.\"},\n        {\"@type\":\"ListItem\",\"position\":3,\"name\":\"Output Shaft\",\"description\":\"Output shaft with close-tolerance bearing seats and keyway; Q&T 42CrMo; case hardened journal option.\"},\n        {\"@type\":\"ListItem\",\"position\":4,\"name\":\"Spline Shaft\",\"description\":\"Involute spline shaft to DIN 5480\/ANSI B92.1; profile tolerance class 7; 20CrMnTi case carburised.\"},\n        {\"@type\":\"ListItem\",\"position\":5,\"name\":\"Gear Shaft\",\"description\":\"Integrated pinion-shaft, hobbed or skived gear teeth; 20CrMnTi case carburised HRC 58-62; bearing seat h6.\"},\n        {\"@type\":\"ListItem\",\"position\":6,\"name\":\"Connecting Rod\",\"description\":\"Alloy steel connecting rod body; bore-to-bore centreline \u00b10.02mm; H7 pin bore; fatigue-rated fillet radii.\"},\n        {\"@type\":\"ListItem\",\"position\":7,\"name\":\"Fork \/ Yoke Connector\",\"description\":\"Alloy steel clevis yoke; H7 pin bore; perpendicularity \u22640.02mm; Q&T 40Cr HRC 30-38.\"},\n        {\"@type\":\"ListItem\",\"position\":8,\"name\":\"Steering Connector\",\"description\":\"Steering joint and universal-joint yoke; spline or D-bore interface; 40Cr Q&T; surface phosphate+oil.\"},\n        {\"@type\":\"ListItem\",\"position\":9,\"name\":\"High-Strength Coupling\",\"description\":\"42CrMo rigid coupling; H7 bore; OD runout \u22640.02mm; balancing groove; DIN 6885 keyway.\"},\n        {\"@type\":\"ListItem\",\"position\":10,\"name\":\"Flanged Sleeve\",\"description\":\"Flanged hub sleeve; H7 bore; flange face flatness \u00b10.02mm; bolt pattern \u00b10.01mm.\"},\n        {\"@type\":\"ListItem\",\"position\":11,\"name\":\"Gear Blank\",\"description\":\"Precision gear blank; OD tolerance h6; bore H7; face parallelism \u00b10.01mm; ready for hobbing.\"},\n        {\"@type\":\"ListItem\",\"position\":12,\"name\":\"Sprocket\",\"description\":\"Custom chain sprocket; machined teeth to ISO 606 or ANSI B29.1; bore H7 keyway; 45# or 40Cr hardened.\"},\n        {\"@type\":\"ListItem\",\"position\":13,\"name\":\"Cam\",\"description\":\"Alloy steel cam; profile tolerance \u00b10.02mm; bore H7; case hardened working surface HRC 55-60.\"},\n        {\"@type\":\"ListItem\",\"position\":14,\"name\":\"Eccentric Wheel\",\"description\":\"Eccentric disc; eccentricity tolerance \u00b10.01mm; bore H7; hardened and ground working surface.\"},\n        {\"@type\":\"ListItem\",\"position\":15,\"name\":\"Drive Sleeve\",\"description\":\"Power transmission drive sleeve; H7 bore; keyway and set-screw boss; Q&T alloy steel.\"},\n        {\"@type\":\"ListItem\",\"position\":16,\"name\":\"Wear-Resistant Bushing\",\"description\":\"Hardened alloy steel bushing; OD\/ID concentricity \u22640.005mm; H7 bore; surface hardness HRC 58-62.\"},\n        {\"@type\":\"ListItem\",\"position\":17,\"name\":\"High-Load Support Part\",\"description\":\"Structural support block for high-cycle fatigue loading; 42CrMo Q&T; face flatness \u00b10.01mm.\"},\n        {\"@type\":\"ListItem\",\"position\":18,\"name\":\"Torque Transmission Part\",\"description\":\"Custom torque transmission interface body; spline, polygon, or key interface; alloy steel.\"},\n        {\"@type\":\"ListItem\",\"position\":19,\"name\":\"Module Transmission Part\",\"description\":\"Modular linear and rotary stage transmission component; 42CrMo or SS440C; precision bore H7.\"},\n        {\"@type\":\"ListItem\",\"position\":20,\"name\":\"Hydraulic Equipment Connector\",\"description\":\"Alloy steel hydraulic manifold and cylinder interface connector; thread 6g; pressure-rated.\"},\n        {\"@type\":\"ListItem\",\"position\":21,\"name\":\"Robot Arm Load Joint\",\"description\":\"Alloy steel robot arm load-bearing joint; bore coaxiality \u22640.005mm; 5-axis CNC; GD&T CMM report.\"},\n        {\"@type\":\"ListItem\",\"position\":22,\"name\":\"Automotive Component\",\"description\":\"Automotive powertrain and chassis alloy steel part; material per customer spec or OEM drawing.\"},\n        {\"@type\":\"ListItem\",\"position\":23,\"name\":\"Industrial Power Transmission Part\",\"description\":\"Industrial gearbox and drive train alloy steel component; custom to drawing; all grades available.\"},\n        {\"@type\":\"ListItem\",\"position\":24,\"name\":\"Carburised Gear\",\"description\":\"Case carburised and hardened gear; 20CrMnTi; case depth 0.8-1.2mm; surface HRC 58-62; hobbed teeth.\"},\n        {\"@type\":\"ListItem\",\"position\":25,\"name\":\"Gearbox Mechanism Part\",\"description\":\"Gearbox internal mechanism component; selector fork, shift rail, detent body; alloy steel; all grades.\"}\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What alloy steel grades do you use for power transmission parts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"We machine all standard alloy steel grades for power transmission applications. 42CrMo4 (AISI 4140 equivalent) is the most widely used: excellent hardenability, high tensile strength after quench and temper (900\u20131100 MPa), and good fatigue resistance \u2014 standard for transmission shafts, high-strength couplings, and load-bearing joints. 40Cr is used for lighter-duty shafts and connectors where 42CrMo is over-specified. 20CrMnTi is the standard carburising grade for gear teeth \u2014 case depth 0.8\u20131.2 mm achieves surface hardness HRC 58\u201362 with a tough core. GCr15 (bearing steel) is used for wear-resistant bushings and cam followers requiring HRC 60\u201364. For automotive OEM applications we also machine to customer-specified grades including 17CrNiMo6, 16MnCr5, and SAE 4340.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What heat treatment processes are available for alloy steel parts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"We manage all required heat treatment as part of the part order. For 42CrMo and 40Cr: quench and temper (Q&T) to HRC 28\u201332, 32\u201336, or 38\u201342 depending on application load case. For gear teeth and spline shafts in 20CrMnTi: gas carburising to case depth 0.8\u20131.2 mm followed by quench to achieve surface hardness HRC 58\u201362 with core hardness HRC 30\u201338. For wear-resistant bushings and cam working surfaces in GCr15 or 40Cr: through hardening to HRC 60\u201364. Induction hardening of bearing seats and gear tooth flanks is available for selective hardening without affecting the full part geometry. All heat treatment records (process certificate, hardness test report, case depth measurement) are included with delivery.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do you machine spline shafts and what standards do you follow?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Involute splines are hobbed to DIN 5480 (metric module) or ANSI B92.1 (inch module) profile tolerance class 7 as standard. Straight-sided splines are broached or milled to DIN 5461 or customer drawing. For spline shafts that are also case carburised, the spline hobbing is performed before carburising to allow heat treatment distortion correction by post-HT grinding on critical features. Spline profile is verified with a gear-measuring machine or optical comparator \u2014 not assumed from the CNC program. For high-precision splines (profile class 5 or better), we grind the spline profile after heat treatment.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What tolerances can you achieve on gear blanks and gear shafts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Gear blank tolerances: OD h6 for hobbing alignment reference; bore H7; face-to-face parallelism \u00b10.01 mm across the gear face width; bore-to-OD runout \u22640.01 mm \u2014 all critical for hobbing machine setup accuracy and final gear tooth position. Gear shaft: bearing seat OD k6\/m6; runout (TIR) \u22640.01 mm between bearing journals; gear mesh diameter tolerance \u00b10.01 mm. For carburised gear shafts, bearing seat ODs are finish-ground after heat treatment to restore tolerance degraded by carburising distortion. CMM dimensional report included for all gear blank and gear shaft orders.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can you supply connecting rods and cam profiles?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes. Connecting rods machined from 42CrMo forgings or billet \u2014 big-end and small-end bore centreline tolerance \u00b10.02 mm; H7 pin bore on small end; H7 on big end before bearing installation. Fatigue-rated transition radii (R \u2265 1.5 mm at bore-to-shank transitions) machined and inspected. Shot-peened versions available for maximum fatigue life. Cam profiles are CNC contour-milled with profile tolerance \u00b10.02 mm on the cam lift curve. Working surface case hardened to HRC 55\u201360 for wear resistance. Eccentric wheel eccentricity tolerance \u00b10.01 mm; bore H7; ground working surface.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is the difference between your alloy steel parts and standard carbon steel parts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Standard carbon steels (45#, Q235) achieve tensile strength of 600\u2013750 MPa and are suitable for static and moderately loaded parts. Alloy steels (42CrMo, 40Cr, 20CrMnTi) achieve 900\u20131200 MPa after appropriate heat treatment \u2014 50\u2013100% higher \u2014 due to chromium, molybdenum, and manganese additions that improve hardenability (ability to through-harden in larger cross-sections) and temper resistance. For power transmission parts subject to combined torsional, bending, and fatigue loading \u2014 shafts, couplings, connecting rods, gear teeth \u2014 alloy steel is specified because carbon steel cannot achieve the required fatigue life at the applied loads without a disproportionate size and weight increase.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Do you supply parts with gear tooth cutting (hobbing, gear grinding)?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Yes \u2014 we supply gear blanks as precision machined net-shaped bodies ready for customer hobbing, or as complete parts with gear teeth hobbed, shaved, or ground in-house or through our subcontract gear-cutting partners. Gear tooth quality class to DIN 3962 \/ ISO 1328: class 8 standard (commercial cut); class 6 available (precision hobbed\/shaved); class 4\u20135 achievable after heat treatment and profile grinding. For sprockets we cut teeth to ISO 606 (metric) and ANSI B29.1 (inch) chain standards with bore H7 and keyway. Chain sprocket pitch verification performed with pin measurement.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What surface treatments do you apply to alloy steel transmission parts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"For alloy steel transmission parts the most common surface treatments are: zinc phosphate + oil (manganese phosphate) for corrosion protection with minimal dimensional change \u2014 standard for most indoor power transmission applications; black oxide for parts where dimensional change must be near zero (bearing seats); hard chrome plating for shaft journals requiring wear resistance and Ra \u2264 0.1 \u03bcm; electroless nickel (25\u201375 \u03bcm) for connectors and hydraulic components in corrosive environments; nitriding (gas or plasma) for surface hardness HV 900+ on alloy steel shafts without the distortion risk of carburising \u2014 excellent for 42CrMo shafts that cannot be ground after heat treatment; and hot-dip galvanise for outdoor structural connectors. Gear teeth are typically left with black oxide or phosphate coating after grinding.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is MOQ and lead time for alloy steel transmission parts?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Minimum order quantity is 1 piece. Standard parts without heat treatment: 5\u201310 working days. Parts requiring quench and temper heat treatment (Q&T): add 5\u20137 working days. Parts requiring case carburising (gas carburising cycle): add 7\u201310 working days. Complex multi-feature parts (gear shafts, connecting rods, robot arm joints): 10\u201315 working days plus heat treatment time. For automotive and OEM production batches, we agree production lead times and delivery schedules in advance \u2014 please discuss your forecast quantities. All parts shipped with material certificate and heat treatment record.\"\n          }\n        }\n      ]\n    },\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Alloy Steel Power Transmission & High-Strength Parts\",\n      \"description\": \"Custom CNC machined alloy steel power transmission parts including transmission shafts, spline shafts, gear shafts, connecting rods, couplings, gear blanks, sprockets, cams, carburised gears, and hydraulic connectors. 42CrMo, 40Cr, 20CrMnTi. Heat treatment managed. ISO 9001:2015. 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\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   HERO \u2014 full-bleed dark image hero with\n   amber heat-treatment accent band across top\n   + floating strength comparison table (unique)\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .hero{position:relative;min-height:600px;display:flex;align-items:flex-end;overflow:hidden;}\n.ALS .hero-bg{position:absolute;inset:0;}\n.ALS .hero-bg img{filter:brightness(.2) saturate(1.5);}\n.ALS .hero-ov{position:absolute;inset:0;background:linear-gradient(160deg,rgba(37,99,235,.72) 0%,rgba(31,41,55,.92) 55%,rgba(180,83,9,.35) 100%);}\n\/* amber top stripe \u2014 heat treatment callout *\/\n.ALS .hero-stripe{position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--amb),#F59E0B,var(--amb));opacity:.9;}\n.ALS .hero-dots{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.06) 1px,transparent 1px);background-size:30px 30px;}\n.ALS .hero-in{position:relative;z-index:2;width:100%;padding-block:80px;display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:end;}\n@media(max-width:960px){.ALS .hero-in{grid-template-columns:1fr;gap:28px;}}\n\n\/* left *\/\n.ALS .hero-pills{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap;}\n.ALS .hero-pill{padding:4px 14px;border-radius:100px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.85);letter-spacing:2px;text-transform:uppercase;}\n.ALS .hero-pill-amber{background:var(--amA);border-color:var(--amC);color:#FCD34D;}\n.ALS .hero-id{font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.4);letter-spacing:2px;}\n.ALS .hero-h1{font-family:var(--fh);font-size:clamp(48px,6.5vw,90px);font-weight:900;line-height:.88;letter-spacing:-2.5px;color:#fff;margin-bottom:16px;}\n.ALS .hero-h1 em{color:#FCD34D;font-style:normal;display:block;}\n.ALS .hero-sub{font-size:15px;color:rgba(255,255,255,.72);max-width:520px;line-height:1.8;margin-bottom:28px;}\n.ALS .hero-btns{display:flex;gap:12px;flex-wrap:wrap;}\n\n\/* right: strength comparison table *\/\n.ALS .hero-tbl{background:rgba(255,255,255,.1);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.18);border-radius:16px;overflow:hidden;}\n.ALS .hero-tbl-hd{padding:12px 18px;background:rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.12);font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.6);letter-spacing:2px;text-transform:uppercase;}\n.ALS .hero-tbl-row{display:grid;grid-template-columns:1fr 1fr 1fr;border-bottom:1px solid rgba(255,255,255,.08);padding:10px 18px;transition:background .15s;}\n.ALS .hero-tbl-row:last-child{border-bottom:none;}\n.ALS .hero-tbl-row:hover{background:rgba(255,255,255,.07);}\n.ALS .hero-tbl-row.HT-hd{background:rgba(255,255,255,.06);}\n.ALS .hero-tbl-cell{font-family:var(--fm);font-size:11px;color:rgba(255,255,255,.75);}\n.ALS .hero-tbl-cell-h{font-family:var(--fm);font-size:9px;color:rgba(255,255,255,.5);letter-spacing:1.5px;text-transform:uppercase;}\n.ALS .HT-hi{color:#FCD34D;font-weight:700;}\n\n\/* \u2550\u2550\u2550 STAT BAND \u2550\u2550\u2550 *\/\n.ALS .stat-band{background:var(--blu);display:grid;grid-template-columns:repeat(5,1fr);}\n@media(max-width:768px){.ALS .stat-band{grid-template-columns:1fr 1fr;}}\n.ALS .SB{padding:20px 16px;text-align:center;border-right:1px solid rgba(255,255,255,.14);}\n.ALS .SB:last-child{border-right:none;}\n.ALS .SV{font-family:var(--fh);font-size:22px;font-weight:900;color:#fff;line-height:1;}\n.ALS .SV sup{font-size:12px;}\n.ALS .SL{font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.65);letter-spacing:1.5px;text-transform:uppercase;margin-top:4px;}\n\n\/* \u2550\u2550\u2550 TICKER \u2550\u2550\u2550 *\/\n.ALS .ticker{background:var(--i0);padding:11px 0;overflow:hidden;white-space:nowrap;}\n.ALS .TK{display:inline-flex;animation:als-run 56s linear infinite;}\n@keyframes als-run{from{transform:translateX(0);}to{transform:translateX(-50%);}}\n.ALS .TKI{display:inline-flex;align-items:center;gap:12px;padding:0 20px;font-family:var(--fh);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,.6);}\n.ALS .TKG{color:var(--amb);opacity:.9;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   PRODUCTS \u2014 5-TAB VERTICAL\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .products{padding-block:88px;background:var(--bg);}\n.ALS .PH{margin-bottom:48px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}\n.ALS .PN{font-family:var(--fm);font-size:11px;color:var(--i2);margin-top:8px;letter-spacing:1px;}\n.ALS .TS{display:grid;grid-template-columns:292px 1fr;gap:22px;align-items:start;}\n@media(max-width:960px){.ALS .TS{grid-template-columns:1fr;}}\n\n\/* nav *\/\n.ALS .TNV{position:sticky;top:24px;background:var(--wh);border:1.5px solid var(--br);border-radius:20px;overflow:hidden;}\n.ALS .TNV-HD{padding:14px 20px;border-bottom:1px solid var(--br);background:var(--lt);font-family:var(--fm);font-size:10px;color:var(--i2);letter-spacing:2.5px;text-transform:uppercase;}\n.ALS .TBTN{display:flex;align-items:flex-start;gap:11px;width:100%;padding:14px 20px;background:transparent;border:none;border-bottom:1px solid var(--br);border-left:3px solid transparent;cursor:pointer;transition:all .18s;text-align:left;}\n.ALS .TBTN:last-child{border-bottom:none;}\n.ALS .TBTN:hover{background:var(--lt);}\n.ALS .TBTN.ACT{border-left-color:var(--blu);background:var(--ba);}\n.ALS .TDOT{width:9px;height:9px;border-radius:50%;flex-shrink:0;margin-top:4px;}\n.ALS .TTX{flex:1;}\n.ALS .TTIT{font-family:var(--fb);font-size:13px;color:var(--i1);line-height:1.3;transition:color .15s;}\n.ALS .TBTN.ACT .TTIT{color:var(--blu);font-weight:600;}\n.ALS .TSUB{font-family:var(--fm);font-size:10px;color:var(--i2);margin-top:2px;}\n.ALS .TCT{padding:1px 8px;border-radius:100px;background:var(--lt);border:1px solid var(--br);font-family:var(--fm);font-size:10px;color:var(--i2);margin-top:2px;flex-shrink:0;}\n.ALS .TBTN.ACT .TCT{background:var(--ba);border-color:var(--bc);color:var(--blu);}\n\n\/* panels *\/\n.ALS .PNL{display:none;animation:als-in .22s ease;}\n.ALS .PNL.ACT{display:block;}\n@keyframes als-in{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}\n\n\/* panel banner *\/\n.ALS .PBNR{border-radius:20px;overflow:hidden;height:196px;margin-bottom:20px;border:1.5px solid var(--br);position:relative;}\n.ALS .PBNR img{width:100%;height:100%;filter:brightness(.36) saturate(1.2);transition:transform .6s;}\n.ALS .PNL.ACT .PBNR img{transform:scale(1.02);}\n.ALS .PBNR-OV{position:absolute;inset:0;background:linear-gradient(100deg,rgba(31,41,55,.75),transparent 65%);}\n.ALS .PBNR-BD{position:absolute;inset:0;display:flex;align-items:center;padding:26px 30px;gap:14px;}\n.ALS .PBNR-DOT{width:12px;height:12px;border-radius:50%;flex-shrink:0;}\n.ALS .PBNR-TTL{font-family:var(--fh);font-size:26px;font-weight:900;color:#fff;}\n.ALS .PBNR-META{font-family:var(--fm);font-size:11px;color:rgba(255,255,255,.6);margin-left:12px;letter-spacing:1px;}\n.ALS .PBNR-CTA{margin-left:auto;}\n\n\/* panel intro *\/\n.ALS .PINT{font-size:13px;color:var(--i1);line-height:1.78;margin-bottom:20px;padding:15px 20px;background:var(--wh);border:1px solid var(--br);border-radius:12px;}\n\n\/* product cards *\/\n.ALS .PGRD{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}\n@media(max-width:1100px){.ALS .PGRD{grid-template-columns:1fr 1fr;}}\n@media(max-width:560px){.ALS .PGRD{grid-template-columns:1fr;}}\n.ALS .PC{background:var(--wh);border:1.5px solid var(--br);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:all .22s;position:relative;}\n.ALS .PC::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;opacity:0;transition:opacity .2s;}\n.ALS .PC:hover::before{opacity:1;}\n.ALS .PC:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(31,41,55,.09);}\n.ALS .PC-V1:hover{border-color:var(--v1c);}.ALS .PC-V1::before{background:var(--v1);}\n.ALS .PC-V2:hover{border-color:var(--v2c);}.ALS .PC-V2::before{background:var(--v2);}\n.ALS .PC-V3:hover{border-color:var(--v3c);}.ALS .PC-V3::before{background:var(--v3);}\n.ALS .PC-V4:hover{border-color:var(--v4c);}.ALS .PC-V4::before{background:var(--v4);}\n.ALS .PC-V5:hover{border-color:var(--v5c);}.ALS .PC-V5::before{background:var(--v5);}\n.ALS .PC-W{grid-column:span 2;}\n@media(max-width:560px){.ALS .PC-W{grid-column:span 1;}}\n.ALS .PC-IMG{overflow:hidden;flex-shrink:0;position:relative;}\n.ALS .PC-IMG-L{aspect-ratio:16\/8;}\n.ALS .PC-IMG-S{aspect-ratio:4\/3;}\n.ALS .PC-IMG img{transition:transform .45s;}\n.ALS .PC:hover .PC-IMG img{transform:scale(1.05);}\n.ALS .PC-BADGE{position:absolute;top:10px;right:10px;padding:3px 10px;border-radius:100px;background:rgba(255,255,255,.93);backdrop-filter:blur(4px);font-family:var(--fm);font-size:10px;font-weight:700;}\n.ALS .PCB{padding:16px 18px;flex:1;display:flex;flex-direction:column;}\n.ALS .PCID{font-family:var(--fm);font-size:9px;color:var(--i2);letter-spacing:2px;margin-bottom:4px;}\n.ALS .PCNM{font-family:var(--fh);font-size:16px;font-weight:700;color:var(--i0);margin-bottom:4px;line-height:1.2;}\n.ALS .PC-W .PCNM{font-size:19px;}\n.ALS .PCDSC{font-size:12px;color:var(--i1);line-height:1.6;margin-bottom:10px;flex:1;}\n.ALS .PCTGS{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:10px;}\n.ALS .PCFT{display:flex;align-items:center;justify-content:space-between;padding-top:9px;border-top:1px solid var(--br);}\n.ALS .PCMAT{font-family:var(--fm);font-size:10px;color:var(--i2);}\n.ALS .PCCTA{font-family:var(--fh);font-size:11px;font-weight:700;color:var(--blu);letter-spacing:.5px;text-transform:uppercase;transition:letter-spacing .2s;}\n.ALS .PC:hover .PCCTA{letter-spacing:1px;}\n.ALS .PCCTA::after{content:' \u2192';}\n.ALS .PFOO{margin-top:12px;padding:12px 18px;background:var(--lt);border:1px solid var(--br);border-radius:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}\n.ALS .PFOO-M{font-family:var(--fm);font-size:11px;color:var(--i2);}\n.ALS .PFOO-M span{color:var(--i1);font-weight:500;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   CAPABILITY \u2014 3\u00d72 watermark grid\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .CAP{padding-block:88px;background:var(--wh);}\n.ALS .CAP-GRD{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px;}\n@media(max-width:900px){.ALS .CAP-GRD{grid-template-columns:1fr 1fr;}}\n.ALS .CC{background:var(--lt);border:1.5px solid var(--br);border-radius:20px;padding:26px;position:relative;overflow:hidden;transition:all .22s;}\n.ALS .CC::after{content:attr(data-n);position:absolute;bottom:-8px;right:10px;font-family:var(--fh);font-size:88px;font-weight:900;color:var(--ba);line-height:1;pointer-events:none;}\n.ALS .CC:hover{background:var(--wh);border-color:var(--bc);box-shadow:0 8px 26px rgba(37,99,235,.08);}\n.ALS .CC:hover::after{color:var(--bb);}\n.ALS .CC-ICO{font-size:28px;margin-bottom:12px;}\n.ALS .CC-TTL{font-family:var(--fh);font-size:18px;font-weight:700;color:var(--i0);margin-bottom:8px;}\n.ALS .CC-DSC{font-size:13px;color:var(--i1);line-height:1.7;margin-bottom:12px;}\n.ALS .CC-SPEC{display:flex;flex-wrap:wrap;gap:5px;}\n.ALS .CC-SP{padding:3px 9px;border-radius:100px;background:var(--ba);border:1px solid var(--bc);font-family:var(--fm);font-size:10px;color:var(--blu);}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   TOLERANCE DATA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .TOLS{padding-block:88px;background:var(--lt);}\n.ALS .TOLS-C{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:48px;}\n@media(max-width:860px){.ALS .TOLS-C{grid-template-columns:1fr;}}\n.ALS .DP{background:var(--wh);border:1.5px solid var(--br);border-radius:24px;overflow:hidden;}\n.ALS .DP-HD{padding:16px 24px;border-bottom:1px solid var(--br);background:var(--lt);display:flex;align-items:center;gap:10px;}\n.ALS .DP-ICO{width:34px;height:34px;border-radius:8px;background:var(--ba);border:1px solid var(--bc);display:flex;align-items:center;justify-content:center;font-size:15px;}\n.ALS .DP-TTL{font-family:var(--fh);font-size:16px;font-weight:700;color:var(--i0);}\n.ALS .TR{display:flex;align-items:center;gap:14px;padding:12px 24px;border-bottom:1px solid var(--br);transition:background .15s;}\n.ALS .TR:last-child{border-bottom:none;}\n.ALS .TR:hover{background:var(--lt);}\n.ALS .TR-N{font-family:var(--fm);font-size:10px;color:var(--i2);width:130px;flex-shrink:0;letter-spacing:.5px;text-transform:uppercase;}\n.ALS .TR-BW{flex:1;height:6px;background:var(--lt);border-radius:3px;overflow:hidden;}\n.ALS .TR-B{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--blu),var(--tel));transition:width .9s ease;}\n.ALS .TR-V{font-family:var(--fm);font-size:11px;font-weight:700;color:var(--blu);white-space:nowrap;min-width:80px;text-align:right;}\n.ALS .SG{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--br);}\n.ALS .SC{background:var(--wh);padding:19px 22px;transition:background .15s;}\n.ALS .SC:hover{background:var(--lt);}\n.ALS .SC-L{font-family:var(--fm);font-size:9px;color:var(--i2);letter-spacing:2px;text-transform:uppercase;margin-bottom:7px;}\n.ALS .SC-V{font-family:var(--fh);font-size:21px;font-weight:900;color:var(--blu);line-height:1;margin-bottom:4px;}\n.ALS .SC-N{font-size:11px;color:var(--i1);line-height:1.6;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   MATERIALS \u2014 scroll\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .MATS{padding-block:88px;background:var(--wh);}\n.ALS .MAT-OUT{overflow-x:auto;margin-top:48px;padding-bottom:12px;}\n.ALS .MAT-OUT::-webkit-scrollbar{height:4px;}\n.ALS .MAT-OUT::-webkit-scrollbar-thumb{background:var(--br);border-radius:2px;}\n.ALS .MAT-ROW{display:flex;gap:14px;min-width:max-content;}\n.ALS .MC{width:252px;flex-shrink:0;background:var(--lt);border:1.5px solid var(--br);border-radius:20px;overflow:hidden;transition:all .22s;position:relative;}\n.ALS .MC::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--amb);opacity:0;transition:opacity .2s;}\n.ALS .MC:hover{background:var(--wh);border-color:var(--amC);transform:translateY(-3px);box-shadow:0 10px 24px rgba(180,83,9,.12);}\n.ALS .MC:hover::before{opacity:1;}\n.ALS .MC-IMG{aspect-ratio:16\/9;overflow:hidden;}\n.ALS .MC-IMG img{transition:transform .4s;}\n.ALS .MC:hover .MC-IMG img{transform:scale(1.05);}\n.ALS .MC-B{padding:18px;}\n.ALS .MC-NUM{font-family:var(--fm);font-size:9px;color:var(--i2);letter-spacing:2px;margin-bottom:7px;}\n.ALS .MC-NM{font-family:var(--fh);font-size:17px;font-weight:700;color:var(--i0);margin-bottom:5px;}\n.ALS .MC-SP{font-family:var(--fm);font-size:10px;color:var(--i2);margin-bottom:9px;}\n.ALS .MC-DC{font-size:12px;color:var(--i1);line-height:1.65;margin-bottom:10px;}\n.ALS .MC-TGS{display:flex;flex-wrap:wrap;gap:4px;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   SURFACE TREATMENTS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .SURFS{padding-block:88px;background:var(--lt);}\n.ALS .SF-OUT{overflow-x:auto;margin-top:48px;padding-bottom:12px;}\n.ALS .SF-ROW{display:flex;gap:14px;min-width:max-content;}\n.ALS .SFC{width:228px;flex-shrink:0;background:var(--wh);border:1.5px solid var(--br);border-radius:16px;padding:22px;transition:all .22s;position:relative;overflow:hidden;}\n.ALS .SFC::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--amb);opacity:0;transition:opacity .2s;}\n.ALS .SFC:hover{border-color:var(--amC);transform:translateY(-3px);box-shadow:0 8px 22px rgba(180,83,9,.1);}\n.ALS .SFC:hover::before{opacity:1;}\n.ALS .SFC-ICO{font-size:26px;margin-bottom:10px;}\n.ALS .SFC-NM{font-family:var(--fh);font-size:16px;font-weight:700;color:var(--i0);margin-bottom:6px;}\n.ALS .SFC-DC{font-size:12px;color:var(--i1);line-height:1.65;margin-bottom:10px;}\n.ALS .SFC-APPS{display:flex;flex-wrap:wrap;gap:4px;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   PROCESS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .PROC{padding-block:88px;background:var(--wh);}\n.ALS .PROC-STR{display:grid;grid-template-columns:repeat(6,1fr);border:1.5px solid var(--br);border-radius:24px;overflow:hidden;background:var(--wh);margin-top:48px;}\n@media(max-width:900px){.ALS .PROC-STR{grid-template-columns:repeat(3,1fr);}}\n@media(max-width:500px){.ALS .PROC-STR{grid-template-columns:1fr 1fr;}}\n.ALS .PS{border-right:1px solid var(--br);transition:background .18s;}\n.ALS .PS:last-child{border-right:none;}\n.ALS .PS:hover{background:var(--lt);}\n.ALS .PS:hover .PSN{border-color:var(--blu);background:var(--ba);color:var(--blu);}\n.ALS .PS-IMG{aspect-ratio:1;overflow:hidden;}\n.ALS .PS-IMG img{transition:transform .4s;filter:brightness(.85);}\n.ALS .PS:hover .PS-IMG img{transform:scale(1.07);}\n.ALS .PSB{padding:14px;}\n.ALS .PSN{width:36px;height:36px;border-radius:50%;background:var(--wh);border:2px solid var(--br);display:flex;align-items:center;justify-content:center;font-family:var(--fh);font-size:14px;font-weight:900;color:var(--i2);margin-bottom:10px;transition:all .2s;}\n.ALS .PST{font-family:var(--fh);font-size:13px;font-weight:700;color:var(--i0);margin-bottom:4px;}\n.ALS .PSD{font-size:11px;color:var(--i2);line-height:1.6;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   WHY US\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .WHY{padding-block:88px;background:var(--lt);}\n.ALS .WHY-GRD{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--br);border:1px solid var(--br);border-radius:24px;overflow:hidden;margin-top:48px;}\n@media(max-width:900px){.ALS .WHY-GRD{grid-template-columns:1fr 1fr;}}\n@media(max-width:500px){.ALS .WHY-GRD{grid-template-columns:1fr;}}\n.ALS .WC{background:var(--wh);padding:36px 28px;position:relative;overflow:hidden;transition:background .2s;}\n.ALS .WC:hover{background:var(--lt);}\n.ALS .WC::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--amb);transform:scaleX(0);transition:transform .28s;transform-origin:left;}\n.ALS .WC:hover::after{transform:scaleX(1);}\n.ALS .WB{font-family:var(--fh);font-size:52px;font-weight:900;color:var(--ba);line-height:1;margin-bottom:14px;transition:color .2s;}\n.ALS .WC:hover .WB{color:var(--bb);}\n.ALS .WT{font-family:var(--fh);font-size:17px;font-weight:700;color:var(--i0);margin-bottom:8px;}\n.ALS .WD{font-size:13px;color:var(--i1);line-height:1.72;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   FAQ \u2014 accordion\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .FAQ{padding-block:88px;background:var(--wh);}\n.ALS .FAQ-GRD{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px;}\n@media(max-width:860px){.ALS .FAQ-GRD{grid-template-columns:1fr;}}\n.ALS .FI{background:var(--lt);border:1.5px solid var(--br);border-radius:16px;overflow:hidden;transition:border-color .2s;}\n.ALS .FI.open{border-color:var(--amC);}\n.ALS .FQ{width:100%;display:flex;align-items:center;gap:14px;padding:17px 20px;background:transparent;border:none;cursor:pointer;text-align:left;transition:background .15s;}\n.ALS .FQ:hover{background:var(--wh);}\n.ALS .FI.open .FQ{background:var(--wh);}\n.ALS .FQ-ICO{width:30px;height:30px;border-radius:50%;background:var(--amA);border:1px solid var(--amC);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--fm);font-size:12px;font-weight:700;color:var(--amb);transition:all .25s;}\n.ALS .FI.open .FQ-ICO{background:var(--amb);color:#fff;border-color:var(--amb);}\n.ALS .FQ-TXT{flex:1;font-family:var(--fh);font-size:15px;font-weight:700;color:var(--i0);line-height:1.3;}\n.ALS .FQ-ARR{font-size:13px;color:var(--i2);transition:transform .25s;flex-shrink:0;}\n.ALS .FI.open .FQ-ARR{transform:rotate(180deg);color:var(--amb);}\n.ALS .FA{max-height:0;overflow:hidden;transition:max-height .35s ease;}\n.ALS .FA-IN{padding:0 20px 16px 64px;font-size:13px;color:var(--i1);line-height:1.78;}\n.ALS .FI.open .FA{max-height:600px;}\n.ALS .FAQ-NOTE{text-align:center;font-family:var(--fm);font-size:11px;color:var(--i2);margin-top:16px;letter-spacing:.5px;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   INDUSTRIES\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .INDS{padding-block:88px;background:var(--lt);}\n.ALS .IND-GRD{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:auto auto;gap:14px;margin-top:48px;}\n@media(max-width:900px){.ALS .IND-GRD{grid-template-columns:1fr 1fr;}}\n@media(max-width:560px){.ALS .IND-GRD{grid-template-columns:1fr;}}\n.ALS .IC{border-radius:20px;overflow:hidden;border:1.5px solid var(--br);position:relative;transition:all .25s;}\n.ALS .IC:hover{border-color:var(--amC);}\n.ALS .IC:hover .IC-IMG img{transform:scale(1.05);}\n.ALS .IC-T{grid-row:span 2;}\n.ALS .IC-IMG{overflow:hidden;}\n.ALS .IC-T .IC-IMG{height:360px;}\n.ALS .IC:not(.IC-T) .IC-IMG{aspect-ratio:16\/9;}\n.ALS .IC-IMG img{filter:brightness(.72) saturate(1.1);transition:transform .4s;}\n.ALS .IC-OV{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(31,41,55,.82));pointer-events:none;}\n.ALS .IC-BD{position:absolute;bottom:0;left:0;right:0;padding:18px 20px;}\n.ALS .IC-ICO{font-size:22px;margin-bottom:5px;}\n.ALS .IC-NM{font-family:var(--fh);font-size:18px;font-weight:700;color:#fff;margin-bottom:4px;}\n.ALS .IC-T .IC-NM{font-size:22px;}\n.ALS .IC-DC{font-size:12px;color:rgba(255,255,255,.75);line-height:1.55;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   CTA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .CTA{position:relative;padding-block:112px;overflow:hidden;}\n.ALS .CTA-BG{position:absolute;inset:0;}\n.ALS .CTA-BG img{filter:brightness(.22) saturate(1.3);}\n.ALS .CTA-OV{position:absolute;inset:0;background:linear-gradient(135deg,rgba(180,83,9,.82),rgba(37,99,235,.72));}\n.ALS .CTA-DOT{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px;}\n.ALS .CTA-IN{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}\n@media(max-width:900px){.ALS .CTA-IN{grid-template-columns:1fr;gap:40px;}}\n.ALS .CTA-LBL{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;font-family:var(--fm);font-size:10px;letter-spacing:3px;text-transform:uppercase;color:rgba(255,255,255,.65);}\n.ALS .CTA-LBL::before{content:'';width:16px;height:1px;background:rgba(255,255,255,.5);}\n.ALS .CTA-H{font-family:var(--fh);font-size:clamp(30px,4vw,58px);font-weight:900;color:#fff;line-height:.96;letter-spacing:-1.5px;margin-bottom:18px;}\n.ALS .CTA-S{font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:32px;}\n.ALS .CTA-BTNS{display:flex;gap:12px;flex-wrap:wrap;}\n.ALS .CTA-NOTE{margin-top:18px;font-family:var(--fm);font-size:11px;color:rgba(255,255,255,.42);letter-spacing:.5px;}\n.ALS .CTA-LIST{display:flex;flex-direction:column;gap:12px;}\n.ALS .CI{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;backdrop-filter:blur(4px);transition:background .2s;}\n.ALS .CI:hover{background:rgba(255,255,255,.13);}\n.ALS .CI-ICO{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}\n.ALS .CI-T{font-family:var(--fh);font-size:15px;font-weight:700;color:#fff;margin-bottom:3px;}\n.ALS .CI-D{font-size:12px;color:rgba(255,255,255,.7);line-height:1.6;}\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   HXB-style Technical Hero \u00b7 for .ALS scope\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .hxb2{background:var(--wh);overflow:hidden;position:relative;}\n.ALS .hxb2::before{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--br) 1px,transparent 1px),linear-gradient(90deg,var(--br) 1px,transparent 1px);background-size:44px 44px;opacity:.18;pointer-events:none;}\n.ALS .hxb2::after{content:'';position:absolute;top:0;right:0;bottom:0;width:44%;background:linear-gradient(270deg,var(--lt),transparent);pointer-events:none;}\n.ALS .hxb2-stripe{position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--amb),#F59E0B,var(--amb));z-index:2;}\n\n.ALS .hxb2-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 520px;min-height:640px;align-items:stretch;}\n@media(max-width:1050px){.ALS .hxb2-grid{grid-template-columns:1fr;min-height:auto;}}\n\n.ALS .hxb2-L{padding:80px 52px 72px 0;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--br);}\n@media(max-width:1050px){.ALS .hxb2-L{padding:64px 0 32px;border-right:none;}}\n\n.ALS .hxb2-flag{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap;}\n.ALS .hxb2-badge{padding:4px 14px;border-radius:100px;background:var(--ba);border:1px solid var(--bc);font-family:var(--fm);font-size:10px;color:var(--blu);letter-spacing:2px;text-transform:uppercase;}\n.ALS .hxb2-badge-amb{background:var(--amA);border-color:var(--amC);color:var(--amb);}\n.ALS .hxb2-id{font-family:var(--fm);font-size:10px;color:var(--i2);letter-spacing:2px;}\n\n.ALS .hxb2-h1{font-family:var(--fh);font-size:clamp(42px,5.4vw,76px);font-weight:900;line-height:.9;letter-spacing:-2.5px;color:var(--i0);margin-bottom:18px;}\n.ALS .hxb2-h1 em{color:var(--blu);font-style:normal;display:block;}\n.ALS .hxb2-sub{font-size:15px;color:var(--i1);max-width:500px;line-height:1.78;margin-bottom:28px;}\n\n.ALS .hxb2-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:500px;margin-bottom:30px;}\n.ALS .hxb2-stat{padding:14px 10px;background:var(--lt);border:1px solid var(--br);border-radius:10px;text-align:center;transition:all .18s;}\n.ALS .hxb2-stat:hover{background:var(--ba);border-color:var(--bc);}\n.ALS .hxb2-stat-v{font-family:var(--fh);font-size:19px;font-weight:900;color:var(--blu);line-height:1;}\n.ALS .hxb2-stat-v sup{font-size:10px;}\n.ALS .hxb2-stat-l{font-family:var(--fm);font-size:9px;color:var(--i2);letter-spacing:1.5px;text-transform:uppercase;margin-top:5px;}\n\n.ALS .hxb2-btns{display:flex;gap:12px;flex-wrap:wrap;}\n\n.ALS .hxb2-R{position:relative;padding:40px 0 40px 48px;}\n@media(max-width:1050px){.ALS .hxb2-R{padding:0 0 48px;}}\n\n.ALS .hxb2-board{position:relative;background:linear-gradient(165deg,#0F172A 0%,#1E293B 60%,#0F172A 100%);border-radius:24px;height:100%;min-height:560px;overflow:hidden;box-shadow:0 30px 80px -20px rgba(15,23,42,.35),0 8px 24px -6px rgba(15,23,42,.2);}\n.ALS .hxb2-board::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:32px 32px;}\n.ALS .hxb2-board::after{content:'';position:absolute;top:-30%;right:-20%;width:70%;height:70%;background:radial-gradient(circle,rgba(180,83,9,.32),transparent 70%);}\n\n.ALS .hxb2-ribbon{position:absolute;top:18px;left:18px;right:18px;display:flex;justify-content:space-between;align-items:center;z-index:3;font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.5);letter-spacing:2px;text-transform:uppercase;}\n.ALS .hxb2-ribbon .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.2);display:inline-block;margin-right:8px;vertical-align:middle;animation:hxb2-pulse 2s ease-in-out infinite;}\n@keyframes hxb2-pulse{0%,100%{box-shadow:0 0 0 3px rgba(34,197,94,.2);}50%{box-shadow:0 0 0 6px rgba(34,197,94,.08);}}\n\n.ALS .hxb2-scene{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:2;}\n.ALS .hxb2-scene svg{width:94%;height:auto;}\n\n.ALS .hxb2-pin{position:absolute;z-index:3;display:flex;align-items:center;gap:8px;padding:5px 11px 5px 7px;background:rgba(255,255,255,.95);border-radius:100px;font-family:var(--fm);font-size:10px;font-weight:600;color:var(--blu);box-shadow:0 4px 12px rgba(0,0,0,.3);}\n.ALS .hxb2-pin::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blu);}\n.ALS .hxb2-pin-a{background:rgba(254,243,199,.95);color:var(--amb);}\n.ALS .hxb2-pin-a::before{background:var(--amb);}\n.ALS .hxb2-pin-1{top:24%;left:6%;}\n.ALS .hxb2-pin-2{top:50%;right:8%;}\n.ALS .hxb2-pin-3{bottom:28%;left:12%;}\n\n.ALS .hxb2-chips{position:absolute;left:18px;right:18px;bottom:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;z-index:3;}\n.ALS .hxb2-chip{padding:12px 14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);}\n.ALS .hxb2-chip-v{font-family:var(--fh);font-size:13px;font-weight:900;color:#fff;line-height:1.15;}\n.ALS .hxb2-chip-v span{font-size:10px;font-weight:700;}\n.ALS .hxb2-chip-l{font-family:var(--fm);font-size:8px;color:rgba(255,255,255,.55);letter-spacing:1.5px;text-transform:uppercase;margin-top:4px;}\n\n\/* \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n   Products header \u2014 drawing-ribbon style\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 *\/\n.ALS .PHx{margin-bottom:44px;border:1.5px solid var(--br);border-radius:20px;overflow:hidden;background:var(--wh);}\n.ALS .PHx-rib{background:#0F172A;padding:12px 22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-family:var(--fm);font-size:10px;color:rgba(255,255,255,.55);letter-spacing:2px;text-transform:uppercase;}\n.ALS .PHx-rib .dot{width:8px;height:8px;border-radius:50%;background:#22C55E;box-shadow:0 0 0 3px rgba(34,197,94,.18);display:inline-block;margin-right:8px;vertical-align:middle;animation:hxb2-pulse 2s ease-in-out infinite;}\n.ALS .PHx-rib-R{color:rgba(255,255,255,.38);}\n.ALS .PHx-body{padding:30px 28px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;}\n@media(max-width:860px){.ALS .PHx-body{grid-template-columns:1fr;}}\n.ALS .PHx-R{display:flex;flex-direction:column;align-items:flex-end;gap:14px;}\n@media(max-width:860px){.ALS .PHx-R{align-items:flex-start;}}\n.ALS .PHx-map{display:grid;grid-template-columns:repeat(5,auto);gap:6px;}\n@media(max-width:560px){.ALS .PHx-map{grid-template-columns:repeat(3,auto);}}\n.ALS .PHx-map-i{display:flex;align-items:center;gap:7px;padding:7px 11px;background:var(--lt);border:1px solid var(--br);border-radius:8px;font-family:var(--fm);font-size:11px;color:var(--i1);transition:all .18s;}\n.ALS .PHx-map-i:hover{background:var(--ba);border-color:var(--bc);}\n.ALS .PHx-map-i .d{width:8px;height:8px;border-radius:50%;flex-shrink:0;}\n.ALS .PHx-map-i .ct{padding:1px 7px;border-radius:100px;background:var(--wh);border:1px solid var(--br);font-size:10px;color:var(--i2);}\n<\/style>\n\n\n<div class=\"ALS\">\n<!-- BREADCRUMB -->\n<div class=\"BC\">\n  <div class=\"W\">\n    <div class=\"BC-row\">\n      <a href=\"\/\">Home<\/a><span class=\"BC-sep\">\/<\/span>\n      <a href=\"\/products\/\">Products<\/a><span class=\"BC-sep\">\/<\/span>\n      <span class=\"BC-cur\">Alloy Steel Power Transmission Parts<\/span>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     HERO\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     HERO \u2014 technical drawing board\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"hxb2\">\n  <div class=\"hxb2-stripe\"><\/div>\n  <div class=\"W\">\n    <div class=\"hxb2-grid\">\n\n      <!-- LEFT: headline \u00b7 stats \u00b7 CTAs -->\n      <div class=\"hxb2-L\">\n        <div class=\"hxb2-flag\">\n          <div class=\"hxb2-badge\">Product Category<\/div>\n          <div class=\"hxb2-badge hxb2-badge-amb\">Heat Treatment Managed<\/div>\n          <div class=\"hxb2-id\">ALS \/ 001 \u2014 025<\/div>\n        <\/div>\n        <h1 class=\"hxb2-h1\">\n          Alloy Steel<br>Power Transmission<br><em>Parts<\/em>\n        <\/h1>\n        <p class=\"hxb2-sub\">25 product lines in 42CrMo, 40Cr, 20CrMnTi, and GCr15 \u2014 transmission shafts, spline shafts, gear shafts, connecting rods, couplings, carburised gears, and high-load joints. Every part heat-treated. Every certificate delivered.<\/p>\n        <div class=\"hxb2-stats\">\n          <div class=\"hxb2-stat\"><div class=\"hxb2-stat-v\">25<\/div><div class=\"hxb2-stat-l\">Product Lines<\/div><\/div>\n          <div class=\"hxb2-stat\"><div class=\"hxb2-stat-v\">1080<sup>MPa<\/sup><\/div><div class=\"hxb2-stat-l\">42CrMo Q&T<\/div><\/div>\n          <div class=\"hxb2-stat\"><div class=\"hxb2-stat-v\">HRC 58\u201362<\/div><div class=\"hxb2-stat-l\">Case Carburised<\/div><\/div>\n        <\/div>\n        <div class=\"hxb2-btns\">\n          <a href=\"#alsquote\" class=\"BN BN-F\">Request Quotation \u2192<\/a>\n          <a href=\"#alsquote\" class=\"BN BN-R\">Send Drawing<\/a>\n        <\/div>\n      <\/div>\n\n      <!-- RIGHT: dark technical board -->\n      <div class=\"hxb2-R\">\n        <div class=\"hxb2-board\">\n\n          <div class=\"hxb2-ribbon\">\n            <span><span class=\"dot\"><\/span>PART DWG \u00b7 ALS-000 COMPOSITION<\/span>\n            <span>ISO 9001 : 2015<\/span>\n          <\/div>\n\n          <div class=\"hxb2-pin hxb2-pin-a hxb2-pin-1\">42CrMo Q&T HRC 32<\/div>\n          <div class=\"hxb2-pin hxb2-pin-2\">Case HRC 58\u201362<\/div>\n          <div class=\"hxb2-pin hxb2-pin-a hxb2-pin-3\">DIN 5480 Class 7<\/div>\n\n          <div class=\"hxb2-scene\">\n            <svg viewBox=\"0 0 480 360\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-label=\"Alloy Steel Power Transmission CNC Parts Technical Composition\">\n              <defs>\n                <linearGradient id=\"als2Metal\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\">\n                  <stop offset=\"0\" stop-color=\"#E2E8F0\"\/>\n                  <stop offset=\".5\" stop-color=\"#CBD5E1\"\/>\n                  <stop offset=\"1\" stop-color=\"#64748B\"\/>\n                <\/linearGradient>\n                <linearGradient id=\"als2MetalDark\" x1=\"0\" y1=\"0\" x2=\"0\" y2=\"1\">\n                  <stop offset=\"0\" stop-color=\"#94A3B8\"\/>\n                  <stop offset=\"1\" stop-color=\"#334155\"\/>\n                <\/linearGradient>\n              <\/defs>\n\n              <!-- center: stepped transmission shaft with spline -->\n              <g transform=\"translate(68,140)\">\n                <!-- keyway end -->\n                <rect x=\"0\" y=\"22\" width=\"28\" height=\"24\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.2\"\/>\n                <rect x=\"6\" y=\"22\" width=\"16\" height=\"5\" fill=\"#1E293B\"\/>\n                <!-- bearing seat 1 -->\n                <rect x=\"28\" y=\"16\" width=\"36\" height=\"36\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <rect x=\"28\" y=\"16\" width=\"36\" height=\"4\" fill=\"#F1F5F9\" opacity=\".7\"\/>\n                <!-- spline section (hashed) -->\n                <rect x=\"64\" y=\"10\" width=\"88\" height=\"48\" fill=\"url(#als2MetalDark)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <g stroke=\"#1E293B\" stroke-width=\".7\" opacity=\".95\">\n                  <line x1=\"68\" y1=\"10\" x2=\"68\" y2=\"58\"\/><line x1=\"72\" y1=\"10\" x2=\"72\" y2=\"58\"\/><line x1=\"76\" y1=\"10\" x2=\"76\" y2=\"58\"\/><line x1=\"80\" y1=\"10\" x2=\"80\" y2=\"58\"\/><line x1=\"84\" y1=\"10\" x2=\"84\" y2=\"58\"\/><line x1=\"88\" y1=\"10\" x2=\"88\" y2=\"58\"\/><line x1=\"92\" y1=\"10\" x2=\"92\" y2=\"58\"\/><line x1=\"96\" y1=\"10\" x2=\"96\" y2=\"58\"\/><line x1=\"100\" y1=\"10\" x2=\"100\" y2=\"58\"\/><line x1=\"104\" y1=\"10\" x2=\"104\" y2=\"58\"\/><line x1=\"108\" y1=\"10\" x2=\"108\" y2=\"58\"\/><line x1=\"112\" y1=\"10\" x2=\"112\" y2=\"58\"\/><line x1=\"116\" y1=\"10\" x2=\"116\" y2=\"58\"\/><line x1=\"120\" y1=\"10\" x2=\"120\" y2=\"58\"\/><line x1=\"124\" y1=\"10\" x2=\"124\" y2=\"58\"\/><line x1=\"128\" y1=\"10\" x2=\"128\" y2=\"58\"\/><line x1=\"132\" y1=\"10\" x2=\"132\" y2=\"58\"\/><line x1=\"136\" y1=\"10\" x2=\"136\" y2=\"58\"\/><line x1=\"140\" y1=\"10\" x2=\"140\" y2=\"58\"\/><line x1=\"144\" y1=\"10\" x2=\"144\" y2=\"58\"\/><line x1=\"148\" y1=\"10\" x2=\"148\" y2=\"58\"\/>\n                <\/g>\n                <!-- middle journal -->\n                <rect x=\"152\" y=\"18\" width=\"48\" height=\"32\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <rect x=\"152\" y=\"18\" width=\"48\" height=\"4\" fill=\"#F1F5F9\" opacity=\".7\"\/>\n                <!-- bearing seat 2 -->\n                <rect x=\"200\" y=\"16\" width=\"36\" height=\"36\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <rect x=\"200\" y=\"16\" width=\"36\" height=\"4\" fill=\"#F1F5F9\" opacity=\".7\"\/>\n                <!-- chamfered end -->\n                <polygon points=\"236,20 264,20 272,26 272,42 264,48 236,48\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.2\"\/>\n                <!-- centerline -->\n                <line x1=\"-5\" y1=\"34\" x2=\"282\" y2=\"34\" stroke=\"#FCD34D\" stroke-width=\".8\" stroke-dasharray=\"6 2 2 2\" opacity=\".75\"\/>\n                <!-- dim arrows -->\n                <g stroke=\"#60A5FA\" stroke-width=\".8\" fill=\"none\">\n                  <line x1=\"28\" y1=\"66\" x2=\"236\" y2=\"66\"\/>\n                  <path d=\"M28,66 l4,-3 l0,6 z\" fill=\"#60A5FA\"\/>\n                  <path d=\"M236,66 l-4,-3 l0,6 z\" fill=\"#60A5FA\"\/>\n                <\/g>\n                <text x=\"132\" y=\"80\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"#93C5FD\" text-anchor=\"middle\">SPLINE DIN 5480 \u00b7 TIR \u22640.01<\/text>\n              <\/g>\n\n              <!-- carburised gear top-left -->\n              <g transform=\"translate(30,36)\">\n                <g fill=\"url(#als2MetalDark)\" stroke=\"#1E293B\" stroke-width=\"1.1\">\n                  <circle cx=\"44\" cy=\"34\" r=\"34\"\/>\n                  <!-- teeth -->\n                  <g fill=\"url(#als2MetalDark)\" stroke=\"#1E293B\" stroke-width=\".9\">\n                    <rect x=\"42\" y=\"-4\" width=\"4\" height=\"8\"\/>\n                    <rect x=\"42\" y=\"64\" width=\"4\" height=\"8\"\/>\n                    <rect x=\"-4\" y=\"32\" width=\"8\" height=\"4\"\/>\n                    <rect x=\"74\" y=\"32\" width=\"8\" height=\"4\"\/>\n                    <rect x=\"18\" y=\"4\" width=\"4\" height=\"8\" transform=\"rotate(-45 20 8)\"\/>\n                    <rect x=\"66\" y=\"4\" width=\"4\" height=\"8\" transform=\"rotate(45 68 8)\"\/>\n                    <rect x=\"18\" y=\"56\" width=\"4\" height=\"8\" transform=\"rotate(45 20 60)\"\/>\n                    <rect x=\"66\" y=\"56\" width=\"4\" height=\"8\" transform=\"rotate(-45 68 60)\"\/>\n                    <rect x=\"7\" y=\"18\" width=\"4\" height=\"8\" transform=\"rotate(-68 9 22)\"\/>\n                    <rect x=\"77\" y=\"18\" width=\"4\" height=\"8\" transform=\"rotate(68 79 22)\"\/>\n                    <rect x=\"7\" y=\"42\" width=\"4\" height=\"8\" transform=\"rotate(68 9 46)\"\/>\n                    <rect x=\"77\" y=\"42\" width=\"4\" height=\"8\" transform=\"rotate(-68 79 46)\"\/>\n                  <\/g>\n                <\/g>\n                <circle cx=\"44\" cy=\"34\" r=\"26\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.2\"\/>\n                <circle cx=\"44\" cy=\"34\" r=\"10\" fill=\"#0F172A\" stroke=\"#1E293B\" stroke-width=\"1\"\/>\n                <rect x=\"40\" y=\"24\" width=\"8\" height=\"4\" fill=\"#1E293B\"\/>\n                <g fill=\"#0F172A\" stroke=\"#1E293B\" stroke-width=\".6\">\n                  <circle cx=\"44\" cy=\"18\" r=\"2.5\"\/><circle cx=\"58\" cy=\"34\" r=\"2.5\"\/><circle cx=\"44\" cy=\"50\" r=\"2.5\"\/><circle cx=\"30\" cy=\"34\" r=\"2.5\"\/>\n                <\/g>\n                <text x=\"44\" y=\"86\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"#FCD34D\" text-anchor=\"middle\">CARBURISED GEAR<\/text>\n              <\/g>\n\n              <!-- connecting rod bottom-right -->\n              <g transform=\"translate(290,232)\">\n                <circle cx=\"18\" cy=\"38\" r=\"22\" fill=\"url(#als2MetalDark)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <circle cx=\"18\" cy=\"38\" r=\"14\" fill=\"#0F172A\" stroke=\"#1E293B\" stroke-width=\"1\"\/>\n                <path d=\"M32,30 L128,34 L128,42 L32,46 Z\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <circle cx=\"140\" cy=\"38\" r=\"14\" fill=\"url(#als2MetalDark)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <circle cx=\"140\" cy=\"38\" r=\"8\" fill=\"#0F172A\" stroke=\"#1E293B\" stroke-width=\"1\"\/>\n                <g stroke=\"#60A5FA\" stroke-width=\".7\" fill=\"none\" opacity=\".75\">\n                  <line x1=\"18\" y1=\"70\" x2=\"140\" y2=\"70\"\/>\n                  <path d=\"M18,70 l3,-2 l0,4 z\" fill=\"#60A5FA\"\/>\n                  <path d=\"M140,70 l-3,-2 l0,4 z\" fill=\"#60A5FA\"\/>\n                <\/g>\n                <text x=\"79\" y=\"84\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"#93C5FD\" text-anchor=\"middle\">CON ROD \u00b7 CL \u00b10.02<\/text>\n              <\/g>\n\n              <!-- wear bushing top-right -->\n              <g transform=\"translate(374,48)\">\n                <rect x=\"0\" y=\"0\" width=\"72\" height=\"50\" rx=\"2\" fill=\"url(#als2Metal)\" stroke=\"#1E293B\" stroke-width=\"1.3\"\/>\n                <rect x=\"0\" y=\"0\" width=\"72\" height=\"6\" fill=\"#F1F5F9\" opacity=\".7\"\/>\n                <circle cx=\"36\" cy=\"26\" r=\"16\" fill=\"#0F172A\" stroke=\"#1E293B\" stroke-width=\"1.2\"\/>\n                <circle cx=\"36\" cy=\"26\" r=\"12\" fill=\"#1E293B\"\/>\n                <circle cx=\"36\" cy=\"26\" r=\"12\" fill=\"none\" stroke=\"#FCD34D\" stroke-width=\".5\" stroke-dasharray=\"2 2\" opacity=\".7\"\/>\n                <text x=\"36\" y=\"68\" font-family=\"Roboto Mono,monospace\" font-size=\"8\" fill=\"#FCD34D\" text-anchor=\"middle\">GCr15 BUSHING \u00b7 HRC 60<\/text>\n              <\/g>\n            <\/svg>\n          <\/div>\n\n          <div class=\"hxb2-chips\">\n            <div class=\"hxb2-chip\"><div class=\"hxb2-chip-v\">42CrMo \u00b7 20CrMnTi \u00b7 GCr15<\/div><div class=\"hxb2-chip-l\">Main Grades<\/div><\/div>\n            <div class=\"hxb2-chip\"><div class=\"hxb2-chip-v\">Q&T \u00b7 Carburise \u00b7 Nitride<\/div><div class=\"hxb2-chip-l\">Heat Treatment<\/div><\/div>\n            <div class=\"hxb2-chip\"><div class=\"hxb2-chip-v\">24<span>hr<\/span> Quote \u00b7 MOQ 1<\/div><div class=\"hxb2-chip-l\">Response<\/div><\/div>\n          <\/div>\n\n        <\/div>\n      <\/div>\n\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- STAT BAND -->\n<div class=\"stat-band\">\n  <div class=\"SB\"><div class=\"SV\">25<\/div><div class=\"SL\">Product Lines<\/div><\/div>\n  <div class=\"SB\"><div class=\"SV\">1080<sup>MPa<\/sup><\/div><div class=\"SL\">42CrMo Q&T<\/div><\/div>\n  <div class=\"SB\"><div class=\"SV\">HRC 58\u201362<\/div><div class=\"SL\">Case Carburised<\/div><\/div>\n  <div class=\"SB\"><div class=\"SV\">H\/T Managed<\/div><div class=\"SL\">End-to-End<\/div><\/div>\n  <div class=\"SB\"><div class=\"SV\">24<sup>hr<\/sup><\/div><div class=\"SL\">Quote Turnaround<\/div><\/div>\n<\/div>\n\n<!-- TICKER -->\n<div class=\"ticker\">\n  <div class=\"TK\">\n    <span class=\"TKI\">High-Strength Transmission Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Input Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Output Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Spline Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Gear Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Connecting Rod <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Fork Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Steering Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">High-Strength Coupling <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Flanged Sleeve <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Gear Blank <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Sprocket <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Cam <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Eccentric Wheel <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Drive Sleeve <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Wear-Resistant Bushing <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Carburised Gear <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Robot Arm Load Joint <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Hydraulic Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Automotive Component <span class=\"TKG\">\u2726<\/span><\/span>\n    <!-- duplicate -->\n    <span class=\"TKI\">High-Strength Transmission Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Input Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Output Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Spline Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Gear Shaft <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Connecting Rod <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Fork Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Steering Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">High-Strength Coupling <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Flanged Sleeve <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Gear Blank <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Sprocket <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Cam <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Eccentric Wheel <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Drive Sleeve <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Wear-Resistant Bushing <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Carburised Gear <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Robot Arm Load Joint <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Hydraulic Connector <span class=\"TKG\">\u2726<\/span><\/span>\n    <span class=\"TKI\">Automotive Component <span class=\"TKG\">\u2726<\/span><\/span>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     PRODUCTS \u2014 5 TABS \u00b7 25 PRODUCTS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"products\">\n  <div class=\"W\">\n    <div class=\"PH\">\n      <div>\n        <div class=\"EB\">Full Product Range<\/div>\n        <h2 class=\"H2\">25 Alloy Steel<br><span class=\"H2-b\">Transmission &amp; Structural Parts<\/span><\/h2>\n        <p class=\"PN\">Select a category tab \u00b7 42CrMo \u00b7 40Cr \u00b7 20CrMnTi \u00b7 Heat treatment managed \u00b7 MOQ 1 piece<\/p>\n      <\/div>\n      <a href=\"#alsquote\" class=\"BN BN-G BN-sm\">Request All Products \u2192<\/a>\n    <\/div>\n\n    <div class=\"TS\">\n      <!-- VERTICAL NAV -->\n      <div class=\"TNV\">\n        <div class=\"TNV-HD\">Product Categories<\/div>\n        <button class=\"TBTN ACT\" data-pnl=\"PNL-shafts\">\n          <span class=\"TDOT\" style=\"background:var(--v1);\"><\/span>\n          <div class=\"TTX\"><div class=\"TTIT\">Transmission Shafts<\/div><div class=\"TSUB\">Input \u00b7 Output \u00b7 Spline \u00b7 Gear shaft \u00b7 High-strength<\/div><\/div>\n          <span class=\"TCT\">5<\/span>\n        <\/button>\n        <button class=\"TBTN\" data-pnl=\"PNL-transmit\">\n          <span class=\"TDOT\" style=\"background:var(--v2);\"><\/span>\n          <div class=\"TTX\"><div class=\"TTIT\">Couplings, Sleeves &amp; Linkages<\/div><div class=\"TSUB\">Coupling \u00b7 Flanged sleeve \u00b7 Connecting rod \u00b7 Fork \u00b7 Steering<\/div><\/div>\n          <span class=\"TCT\">5<\/span>\n        <\/button>\n        <button class=\"TBTN\" data-pnl=\"PNL-gears\">\n          <span class=\"TDOT\" style=\"background:var(--v3);\"><\/span>\n          <div class=\"TTX\"><div class=\"TTIT\">Gears, Sprockets &amp; Cams<\/div><div class=\"TSUB\">Gear blank \u00b7 Sprocket \u00b7 Cam \u00b7 Eccentric \u00b7 Carburised gear<\/div><\/div>\n          <span class=\"TCT\">5<\/span>\n        <\/button>\n      <\/div>\n\n      <!-- PANELS -->\n      <div>\n\n        <!-- PANEL 1: TRANSMISSION SHAFTS -->\n        <div class=\"PNL ACT\" id=\"PNL-shafts\">\n          <div class=\"PBNR\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Precision-Shafts-scaled.jpg\" alt=\"Alloy Steel Transmission Shafts Input Output Spline Gear CNC\">\n            <div class=\"PBNR-OV\"><\/div><div class=\"PBNR-BD\"><span class=\"PBNR-DOT\" style=\"background:var(--v1);\"><\/span><span class=\"PBNR-TTL\">Transmission Shafts<\/span><span class=\"PBNR-META\">5 Products \u00b7 ALS-001 to 005<\/span><a href=\"#alsquote\" class=\"BN BN-G BN-sm PBNR-CTA\">Quote \u2192<\/a><\/div><\/div>\n          <div class=\"PINT\">Five alloy steel transmission shaft product lines for power drive trains \u2014 high-strength, input, output, spline, and gear shafts. Bearing seat OD tolerance k6\/m6; TIR \u22640.01 mm between seats. Spline shafts hobbed to DIN 5480 class 7. Gear shafts with pinion integral; teeth hobbed and case carburised to HRC 58\u201362. 42CrMo Q&T to 950\u20131080 MPa standard.<\/div>\n          <div class=\"PGRD\">\n\n            <div class=\"PC PC-W PC-V1\">\n              <div class=\"PC-IMG PC-IMG-L\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Precision-Shafts-scaled.jpg\" alt=\"42CrMo Transmission Shaft CNC Alloy Steel Q&T Bearing Seat Keyway\"><div class=\"PC-BADGE\" style=\"color:var(--v1);\">ALS-001<\/div><\/div>\n              <div class=\"PCB\">\n                <div class=\"PCID\">SHAFTS \/ 001 \u2014 FEATURED<\/div>\n                <div class=\"PCNM\">High-Strength Transmission Shafts<\/div>\n                <div class=\"PCDSC\">Primary drive and transmission shafts subject to combined torsional, bending, and fatigue loading. Machined from 42CrMo4 (AISI 4140 equivalent) billet, quench and tempered (Q&T) to HRC 28\u201332 or HRC 32\u201336 to achieve 950\u20131080 MPa tensile strength. Bearing seat OD tolerances k6\/m6 with TIR \u22640.01 mm between bearing journals, measured and documented. DIN 6885 parallel keyway with width P9\/depth JS9 tolerance; angular position \u00b10.1\u00b0. Shoulder fillet radii \u2265R1.5 mm at all diameter transitions to maximise fatigue life at stress-concentration zones. Finish-ground bearing seats after Q&T to restore dimensional accuracy lost to heat-treatment distortion. Spigot bore H7 on hollow-bored versions. Material certificate and heat treatment record supplied with every order.<\/div>\n                <div class=\"PCTGS\"><span class=\"TG V1\">42CrMo Q&T HRC 32<\/span><span class=\"TG V1\">k6 \u00b7 TIR \u22640.01mm<\/span><span class=\"TG V1\">950\u20131080 MPa<\/span><span class=\"TG VN\">Ground post-HT<\/span><\/div>\n                <div class=\"PCFT\"><span class=\"PCMAT\">42CrMo4 \u00b7 40Cr \u00b7 SAE 4340<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"PC PC-V1\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Input-Shafts-scaled.webp\" alt=\"Input Shaft Gearbox Drive Train 42CrMo CNC\"><div class=\"PC-BADGE\" style=\"color:var(--v1);\">ALS-002<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">SHAFTS \/ 002<\/div><div class=\"PCNM\">Input Shafts<\/div><div class=\"PCDSC\">Gearbox and drive train input shafts. Spigot pilot bore H7; bearing seat k6; TIR \u22640.01 mm. Q&T 42CrMo. Front end spline or keyway for coupling engagement; rear end integrated pilot or journal for first gear\/stage support bearing.<\/div><div class=\"PCTGS\"><span class=\"TG V1\">H7 spigot bore<\/span><span class=\"TG VN\">Q&T 42CrMo<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">42CrMo \u00b7 40Cr<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V1\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Output-Shafts-scaled.webp\" alt=\"Output Shaft Gearbox Drive 42CrMo Close Tolerance CNC\"><div class=\"PC-BADGE\" style=\"color:var(--v1);\">ALS-003<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">SHAFTS \/ 003<\/div><div class=\"PCNM\">Output Shafts<\/div><div class=\"PCDSC\">Drive output shafts with close-tolerance bearing seats and output coupling interface. Keyway DIN 6885 or spline DIN 5480. Q&T 42CrMo HRC 28\u201336. Case hardened journal option for high-wear output engagement. Induction hardening of output journal available.<\/div><div class=\"PCTGS\"><span class=\"TG V1\">Q&T \u00b7 IH option<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">42CrMo \u00b7 40Cr<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V1\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Spline-Shafts.webp\" alt=\"Spline Shaft DIN 5480 Involute CNC Alloy Steel 20CrMnTi\"><div class=\"PC-BADGE\" style=\"color:var(--v1);\">ALS-004<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">SHAFTS \/ 004<\/div><div class=\"PCNM\">Spline Shafts<\/div><div class=\"PCDSC\">Involute spline shafts to DIN 5480 or ANSI B92.1, profile tolerance class 7. 20CrMnTi case carburised: case depth 0.8\u20131.2 mm, surface HRC 58\u201362, core HRC 30\u201338. Spline hobbed before carburising; spline profile verified by gear-measuring machine post-HT.<\/div><div class=\"PCTGS\"><span class=\"TG VA\">Case HRC 58\u201362<\/span><span class=\"TG V1\">DIN 5480 class 7<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">20CrMnTi \u00b7 42CrMo<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V1\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Gear-Shafts.jpg\" alt=\"Gear Shaft Integral Pinion CNC Alloy Steel 20CrMnTi Case Carburised\"><div class=\"PC-BADGE\" style=\"color:var(--v1);\">ALS-005<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">SHAFTS \/ 005<\/div><div class=\"PCNM\">Gear Shafts<\/div><div class=\"PCDSC\">Integral pinion-shaft with hobbed gear teeth on shaft body. 20CrMnTi case carburised to HRC 58\u201362; bearing seat h6 ground post-HT. Gear tooth quality DIN 3962 class 8 standard; class 6 by grinding available. Profile verified by gear-measuring machine.<\/div><div class=\"PCTGS\"><span class=\"TG VA\">HRC 58\u201362<\/span><span class=\"TG V1\">DIN 3962 class 8<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">20CrMnTi \u00b7 17CrNiMo6<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n          <\/div>\n          <div class=\"PFOO\"><div class=\"PFOO-M\">Materials: <span>42CrMo4 \u00b7 40Cr \u00b7 20CrMnTi \u00b7 17CrNiMo6 \u00b7 SAE 4340<\/span><\/div><a href=\"#alsquote\" class=\"BN BN-G BN-sm\">Request All 5 \u2192<\/a><\/div>\n        <\/div>\n\n        <!-- PANEL 2: COUPLINGS, SLEEVES & LINKAGES -->\n        <div class=\"PNL\" id=\"PNL-transmit\">\n          <div class=\"PBNR\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Alloy-steel-connecting-rods-scaled.webp\" alt=\"Coupling Flanged Sleeve Connecting Rod Fork Steering CNC Alloy Steel\">\n            <div class=\"PBNR-OV\"><\/div><div class=\"PBNR-BD\"><span class=\"PBNR-DOT\" style=\"background:var(--v2);\"><\/span><span class=\"PBNR-TTL\">Couplings, Sleeves &amp; Linkages<\/span><span class=\"PBNR-META\">5 Products \u00b7 ALS-006 to 010<\/span><a href=\"#alsquote\" class=\"BN BN-G BN-sm PBNR-CTA\">Quote \u2192<\/a><\/div><\/div>\n          <div class=\"PINT\">High-strength couplings, flanged sleeves, connecting rods, fork connectors, and steering connectors \u2014 the torque-carrying and motion-linking hardware of high-load drive trains and steering systems. Coupling bore H7; OD runout \u22640.02 mm. Connecting rod bore centreline \u00b10.02 mm. Fork pin bore H7\/H8; perpendicularity \u22640.02 mm. All parts Q&T 42CrMo or 40Cr with material certificate.<\/div>\n          <div class=\"PGRD\">\n\n            <div class=\"PC PC-W PC-V2\">\n              <div class=\"PC-IMG PC-IMG-L\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Alloy-steel-connecting-rods-scaled.webp\" alt=\"42CrMo Connecting Rod CNC Alloy Steel Big End Small End H7 Bore Fatigue\"><div class=\"PC-BADGE\" style=\"color:var(--v2);\">ALS-011<\/div><\/div>\n              <div class=\"PCB\">\n                <div class=\"PCID\">LINKAGES \/ 011 \u2014 FEATURED<\/div>\n                <div class=\"PCNM\">Connecting Rods<\/div>\n                <div class=\"PCDSC\">Alloy steel connecting rods for crank-slider mechanisms, reciprocating compressors, press-forging machines, and engine rebuild applications. Machined from 42CrMo forging or billet, Q&T to HRC 28\u201335. Big-end and small-end bore centreline tolerance \u00b10.02 mm \u2014 the specification that controls kinematic accuracy of the assembled mechanism. H7 bore on small (pin) end; H7 on big end before bearing bore honing. Fatigue-rated transition radii R \u2265 1.5 mm at bore-to-shank intersections \u2014 not arbitrary chamfers. Bolt flange face flatness \u00b10.01 mm on split big-end versions. Shot-peening available for maximum fatigue life in high-cycle reciprocating applications. CMM bore centreline measurement report included.<\/div>\n                <div class=\"PCTGS\"><span class=\"TG V2\">CL \u00b10.02mm<\/span><span class=\"TG V2\">H7 pin bore<\/span><span class=\"TG V2\">R\u22651.5mm fillet<\/span><span class=\"TG VN\">Shot-peen option<\/span><\/div>\n                <div class=\"PCFT\"><span class=\"PCMAT\">42CrMo \u00b7 SAE 4340 \u00b7 40Cr<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"PC PC-V2\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Hydraulic-Fittings-Couplings.webp\" alt=\"High-Strength Coupling 42CrMo H7 Bore OD Runout CNC\"><div class=\"PC-BADGE\" style=\"color:var(--v2);\">ALS-006<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">LINKAGES \/ 006<\/div><div class=\"PCNM\">High-Strength Couplings<\/div><div class=\"PCDSC\">42CrMo rigid and jaw coupling halves, Q&T HRC 28\u201335. H7 bore; OD runout \u22640.02 mm for high-speed balance. DIN 6885 keyway. Balancing groove on OD. For torque levels where standard 45# couplings are undersized.<\/div><div class=\"PCTGS\"><span class=\"TG V2\">H7 bore<\/span><span class=\"TG VA\">42CrMo Q&T<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">42CrMo \u00b7 40Cr<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V2\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Precision-Sleeves-scaled.jpg\" alt=\"Flanged Sleeve Hub 42CrMo H7 Bore Flange Face CNC Alloy\"><div class=\"PC-BADGE\" style=\"color:var(--v2);\">ALS-007<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">LINKAGES \/ 007<\/div><div class=\"PCNM\">Flanged Sleeves<\/div><div class=\"PCDSC\">Heavy-duty flanged hub sleeves and shaft-coupling hubs from 42CrMo. H7 bore; flange face flatness \u00b10.02 mm; bolt pattern \u00b10.01 mm. Keyway and set-screw boss options. Q&T or through-hardened options.<\/div><div class=\"PCTGS\"><span class=\"TG V2\">\u00b10.02mm flange<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">42CrMo \u00b7 40Cr \u00b7 SS440C<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V2\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Fork-Yoke-Connectors.jpg\" alt=\"Fork Yoke Connector Alloy Steel H7 Pin Bore Perpendicularity CNC\"><div class=\"PC-BADGE\" style=\"color:var(--v2);\">ALS-012<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">LINKAGES \/ 012<\/div><div class=\"PCNM\">Fork \/ Yoke Connectors<\/div><div class=\"PCDSC\">Heavy-duty alloy steel clevis yokes and fork-end connectors. Pin bore H7\/H8; fork width \u00b10.05 mm; pin hole perpendicularity \u22640.02 mm to thread shank. Q&T 40Cr HRC 30\u201338. For high-load linkage joints.<\/div><div class=\"PCTGS\"><span class=\"TG V2\">H7\/H8 pin bore<\/span><span class=\"TG VA\">HRC 30\u201338<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">40Cr \u00b7 42CrMo<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V2\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Joint-Arm-Link-Connectors-scaled.webp\" alt=\"Steering Connector Universal Joint Yoke Alloy Steel Spline CNC\"><div class=\"PC-BADGE\" style=\"color:var(--v2);\">ALS-013<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">LINKAGES \/ 013<\/div><div class=\"PCNM\">Steering Connectors<\/div><div class=\"PCDSC\">Steering joint and universal-joint yoke bodies. Spline, D-bore, or keyway interface. 40Cr Q&T HRC 28\u201335. Surface treatment: zinc phosphate + oil standard; hard chrome on journal pin for wear resistance. Custom to OEM drawing.<\/div><div class=\"PCTGS\"><span class=\"TG V2\">Spline \/ D-bore<\/span><span class=\"TG VN\">OEM drawing<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">40Cr \u00b7 42CrMo<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n          <\/div>\n          <div class=\"PFOO\"><div class=\"PFOO-M\">Materials: <span>42CrMo \u00b7 40Cr \u00b7 SAE 4340 \u00b7 SS440C<\/span><\/div><a href=\"#alsquote\" class=\"BN BN-G BN-sm\">Request All 5 \u2192<\/a><\/div>\n        <\/div>\n\n        <!-- PANEL 3: GEARS, SPROCKETS & CAMS -->\n        <div class=\"PNL\" id=\"PNL-gears\">\n          <div class=\"PBNR\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Gear-Transmission-Parts.jpg\" alt=\"Gear Blank Sprocket Cam Eccentric Carburised Gear CNC Alloy Steel\">\n            <div class=\"PBNR-OV\"><\/div><div class=\"PBNR-BD\"><span class=\"PBNR-DOT\" style=\"background:var(--v3);\"><\/span><span class=\"PBNR-TTL\">Gears, Sprockets &amp; Cams<\/span><span class=\"PBNR-META\">5 Products \u00b7 ALS-014 to 018<\/span><a href=\"#alsquote\" class=\"BN BN-G BN-sm PBNR-CTA\">Quote \u2192<\/a><\/div><\/div>\n          <div class=\"PINT\">Gear blanks, sprockets, cams, eccentric wheels, and carburised gears \u2014 the profile and motion-generation hardware of power transmission systems. Gear blank OD h6 with bore-to-OD runout \u22640.01 mm; face parallelism \u00b10.01 mm for hobbing accuracy. Carburised gear: 20CrMnTi, case depth 0.8\u20131.2 mm, HRC 58\u201362. Sprocket teeth cut to ISO 606 or ANSI B29.1. Cam profiles CNC-contoured to \u00b10.02 mm.<\/div>\n          <div class=\"PGRD\">\n\n            <div class=\"PC PC-W PC-V3\">\n              <div class=\"PC-IMG PC-IMG-L\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Gear-Transmission-Parts.jpg\" alt=\"Carburised Gear 20CrMnTi CNC Case Depth HRC 58-62 Hobbed DIN 3962\"><div class=\"PC-BADGE\" style=\"color:var(--v3);\">ALS-019<\/div><\/div>\n              <div class=\"PCB\">\n                <div class=\"PCID\">GEARS \/ 019 \u2014 FEATURED<\/div>\n                <div class=\"PCNM\">Carburised Gears<\/div>\n                <div class=\"PCDSC\">Case carburised and hardened gears in 20CrMnTi (standard) or 17CrNiMo6 (high-load automotive). Gas carburising to case depth 0.8\u20131.2 mm; quench and temper to surface hardness HRC 58\u201362 and core hardness HRC 30\u201338. Gear teeth hobbed on precision turning centre before carburising \u2014 blank bore H7, OD runout \u22640.01 mm. After carburising and quench, bore and reference faces ground to remove heat-treatment distortion: bore H7 maintained; face runout \u22640.01 mm. Tooth profile quality DIN 3962 class 8 (hobbed); class 6 after gear grinding. Profile and lead error verified by gear-measuring machine. CMM dimensional report for bore and face features. Material certificate with chemical composition per heat number. Applications: gearbox reduction stages, differential spur gears, planetary carriers, and timing gears.<\/div>\n                <div class=\"PCTGS\"><span class=\"TG VA\">HRC 58\u201362 surface<\/span><span class=\"TG VA\">Case 0.8\u20131.2mm<\/span><span class=\"TG V3\">DIN 3962 class 8<\/span><span class=\"TG VN\">Gear-machine verified<\/span><\/div>\n                <div class=\"PCFT\"><span class=\"PCMAT\">20CrMnTi \u00b7 17CrNiMo6 \u00b7 20Cr<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"PC PC-V3\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Sprocket.webp\" alt=\"Sprocket Chain CNC Alloy Steel ISO 606 Bore H7 Keyway\"><div class=\"PC-BADGE\" style=\"color:var(--v3);\">ALS-015<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">GEARS \/ 015<\/div><div class=\"PCNM\">Sprockets<\/div><div class=\"PCDSC\">Custom chain sprockets to ISO 606 (metric) or ANSI B29.1 (inch). Bore H7; keyway DIN 6885. 45# normalised or 40Cr Q&T HRC 40\u201345 for wear-resistant tooth flanks. Pitch verified by pin-measurement method.<\/div><div class=\"PCTAGS\"><span class=\"TG V3\">ISO 606 \/ ANSI B29.1<\/span><span class=\"TG VN\">Pin-measured<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">45# \u00b7 40Cr \u00b7 GCr15<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V3\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Cam-Followers.webp\" alt=\"Cam Profile CNC Alloy Steel Case Hardened Working Surface\"><div class=\"PC-BADGE\" style=\"color:var(--v3);\">ALS-016<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">GEARS \/ 016<\/div><div class=\"PCNM\">Cams<\/div><div class=\"PCDSC\">CNC contour-milled cams. Lift curve profile tolerance \u00b10.02 mm; bore H7; working surface case hardened HRC 55\u201360 for wear resistance. Base circle and rise\/fall profile verified by CMM. Custom cam curves to drawing or point-cloud data.<\/div><div class=\"PCTGS\"><span class=\"TG V3\">Profile \u00b10.02mm<\/span><span class=\"TG VA\">HRC 55\u201360<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">40Cr \u00b7 GCr15 \u00b7 42CrMo<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n            <div class=\"PC PC-V3\">\n              <div class=\"PC-IMG PC-IMG-S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Eccentric-Wheel.webp\" alt=\"Eccentric Wheel Disc CNC Alloy Steel Eccentricity Tolerance Hardened\"><div class=\"PC-BADGE\" style=\"color:var(--v3);\">ALS-017<\/div><\/div>\n              <div class=\"PCB\"><div class=\"PCID\">GEARS \/ 017<\/div><div class=\"PCNM\">Eccentric Wheels<\/div><div class=\"PCDSC\">Eccentric discs and offset cams. Eccentricity tolerance \u00b10.01 mm; bore H7; OD working surface hardened and ground Ra \u22640.4 \u03bcm. Used in reciprocating mechanism drive stages, adjustable stroke mechanisms, and off-axis drive applications.<\/div><div class=\"PCTGS\"><span class=\"TG V3\">Eccentricity \u00b10.01mm<\/span><span class=\"TG VN\">Ground OD<\/span><\/div><div class=\"PCFT\"><span class=\"PCMAT\">40Cr \u00b7 GCr15<\/span><span class=\"PCCTA\">Get Quote<\/span><\/div><\/div>\n            <\/div>\n\n          <\/div>\n          <div class=\"PFOO\"><div class=\"PFOO-M\">Materials: <span>20CrMnTi \u00b7 17CrNiMo6 \u00b7 40Cr \u00b7 GCr15 \u00b7 45#<\/span><\/div><a href=\"#alsquote\" class=\"BN BN-G BN-sm\">Request All 5 \u2192<\/a><\/div>\n        <\/div>\n\n      <\/div><!-- \/panels -->\n    <\/div><!-- \/TS -->\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     CAPABILITY\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"CAP Z Z-W\">\n  <div class=\"W\">\n    <div class=\"EB\">Manufacturing Capability<\/div>\n    <h2 class=\"H2\">Why Alloy Steel Transmission Parts Demand<br><span class=\"H2-b\">a Specialist Machining Partner<\/span><\/h2>\n    <div class=\"CAP-GRD\">\n      <div class=\"CC\" data-n=\"01\"><div class=\"CC-ICO\">\ud83d\udd25<\/div><div class=\"CC-TTL\">Case Carburising \u2014 20CrMnTi to HRC 58\u201362<\/div><div class=\"CC-DSC\">Gas carburising to case depth 0.8\u20131.2 mm followed by quench to HRC 58\u201362 surface, HRC 30\u201338 core. We manage the complete carburising cycle \u2014 part machining \u2192 carburising \u2192 quench \u2192 post-HT precision grinding of bore and faces. Case depth and hardness test report included.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">Case 0.8\u20131.2mm<\/span><span class=\"CC-SP\">HRC 58\u201362<\/span><span class=\"CC-SP\">Post-HT grind<\/span><\/div><\/div>\n      <div class=\"CC\" data-n=\"02\"><div class=\"CC-ICO\">\u2699<\/div><div class=\"CC-TTL\">Bearing Seat Ground Post-Q&T \u2014 TIR \u22640.01mm<\/div><div class=\"CC-DSC\">Bearing seats ground after Q&T heat treatment to restore dimensional accuracy lost to heat-treatment distortion. TIR \u22640.01 mm measured and documented \u2014 not assumed from machining parameters. The specification that determines bearing life and shaft alignment.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">Ground post-HT<\/span><span class=\"CC-SP\">TIR \u22640.01mm<\/span><span class=\"CC-SP\">Documented<\/span><\/div><\/div>\n      <div class=\"CC\" data-n=\"03\"><div class=\"CC-ICO\">\ud83d\udd29<\/div><div class=\"CC-TTL\">Spline DIN 5480 Class 7 \u2014 Gear-Machine Verified<\/div><div class=\"CC-DSC\">Involute spline profiles to DIN 5480 class 7 verified by gear-measuring machine \u2014 not assumed from CNC program. For case carburised spline shafts: hobbed before HT, profile re-verified after HT and grinding. Profile error and lead variation reported.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">DIN 5480 class 7<\/span><span class=\"CC-SP\">Gear-machine check<\/span><span class=\"CC-SP\">Post-HT verified<\/span><\/div><\/div>\n      <div class=\"CC\" data-n=\"04\"><div class=\"CC-ICO\">\ud83e\udd16<\/div><div class=\"CC-TTL\">Robot Joint Coaxiality \u22640.005mm \u2014 5-Axis<\/div><div class=\"CC-DSC\">Robot arm load joint bore coaxiality \u22640.005 mm in 5-axis single setup. Re-fixturing compounds error to \u00b10.01\u20130.05 mm and cannot achieve this specification. Full GD&T CMM report on every robot joint order \u2014 bore coaxiality, roundness, flange runout, perpendicularity.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">\u22640.005mm coaxial<\/span><span class=\"CC-SP\">5-axis single op<\/span><span class=\"CC-SP\">GD&T CMM<\/span><\/div><\/div>\n      <div class=\"CC\" data-n=\"05\"><div class=\"CC-ICO\">\u2696<\/div><div class=\"CC-TTL\">42CrMo 1080 MPa \u2014 44% Stronger than 45#<\/div><div class=\"CC-DSC\">42CrMo Q&T to HRC 32 achieves 1080 MPa \u2014 44% higher than 45# carbon steel (750 MPa). For fatigue-loaded transmission shafts and connecting rods, the difference in fatigue limit (endurance limit) is even larger \u2014 typically 60\u201380% improvement. Not cosmetic \u2014 sized correctly, alloy steel enables smaller and lighter parts for the same load.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">1080 MPa Rm<\/span><span class=\"CC-SP\">44% vs 45#<\/span><span class=\"CC-SP\">Superior fatigue<\/span><\/div><\/div>\n      <div class=\"CC\" data-n=\"06\"><div class=\"CC-ICO\">\ud83d\udccb<\/div><div class=\"CC-TTL\">PPAP &amp; SPC \u2014 Automotive Production<\/div><div class=\"CC-DSC\">PPAP documentation (Part Submission Warrant, Control Plan, FMEA, measurement system analysis) available for automotive OEM orders. SPC and Cpk reporting for critical dimensions in series production. OEM-grade documentation for powertrain and chassis components.<\/div><div class=\"CC-SPEC\"><span class=\"CC-SP\">PPAP available<\/span><span class=\"CC-SP\">SPC Cpk<\/span><span class=\"CC-SP\">OEM-grade docs<\/span><\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     TOLERANCE DATA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"TOLS Z Z-L\">\n  <div class=\"W\">\n    <div class=\"EB\">Precision Specifications<\/div>\n    <h2 class=\"H2\">Tolerances &amp; Heat Treatment Reference \u2014 <span class=\"H2-a\">Alloy Steel Parts<\/span><\/h2>\n    <div class=\"TOLS-C\">\n      <div class=\"DP\">\n        <div class=\"DP-HD\"><div class=\"DP-ICO\">\ud83d\udcd0<\/div><div class=\"DP-TTL\">Tolerances by Feature<\/div><\/div>\n        <div id=\"alsTolRows\">\n          <div class=\"TR\"><div class=\"TR-N\">Bearing Seat OD<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"90%\"><\/div><\/div><div class=\"TR-V\">k6 \/ m6<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Shaft TIR<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"92%\"><\/div><\/div><div class=\"TR-V\">\u22640.01 mm<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Bore (Housing)<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"90%\"><\/div><\/div><div class=\"TR-V\">H7<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Robot Joint Coax.<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"96%\"><\/div><\/div><div class=\"TR-V\">\u22640.005 mm<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Gear Blank Runout<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"92%\"><\/div><\/div><div class=\"TR-V\">\u22640.01 mm<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Cam Profile<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"86%\"><\/div><\/div><div class=\"TR-V\">\u00b10.02 mm<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">Eccentricity<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"93%\"><\/div><\/div><div class=\"TR-V\">\u00b10.01 mm<\/div><\/div>\n          <div class=\"TR\"><div class=\"TR-N\">General Dim.<\/div><div class=\"TR-BW\"><div class=\"TR-B\" style=\"width:0;\" data-w=\"76%\"><\/div><\/div><div class=\"TR-V\">\u00b10.05 mm<\/div><\/div>\n        <\/div>\n      <\/div>\n      <div class=\"DP\">\n        <div class=\"DP-HD\"><div class=\"DP-ICO\">\ud83d\udd25<\/div><div class=\"DP-TTL\">Grade &amp; Heat Treatment Reference<\/div><\/div>\n        <div class=\"SG\">\n          <div class=\"SC\"><div class=\"SC-L\">42CrMo Q&T<\/div><div class=\"SC-V\">1080<span style=\"font-size:12px;\"> MPa<\/span><\/div><div class=\"SC-N\">HRC 32 condition. High-strength shafts, couplings, robot joints. Best all-round alloy transmission grade.<\/div><\/div>\n          <div class=\"SC\"><div class=\"SC-L\">40Cr Q&T<\/div><div class=\"SC-V\">900<span style=\"font-size:12px;\"> MPa<\/span><\/div><div class=\"SC-N\">HRC 28 condition. Lighter-duty shafts, forks, connectors. Good machinability, economical.<\/div><\/div>\n          <div class=\"SC\"><div class=\"SC-L\">20CrMnTi Carb.<\/div><div class=\"SC-V\" style=\"font-size:17px;\">HRC 58\u201362<\/div><div class=\"SC-N\">Case depth 0.8\u20131.2mm. Standard carburising grade for gear teeth, spline shafts. Core HRC 30\u201338.<\/div><\/div>\n          <div class=\"SC\"><div class=\"SC-L\">GCr15 Hardened<\/div><div class=\"SC-V\" style=\"font-size:17px;\">HRC 60\u201364<\/div><div class=\"SC-N\">Through hardened bearing steel for wear-resistant bushings, cam followers, roller shafts.<\/div><\/div>\n          <div class=\"SC\"><div class=\"SC-L\">17CrNiMo6<\/div><div class=\"SC-V\" style=\"font-size:17px;\">HRC 58\u201362<\/div><div class=\"SC-N\">Premium case carburising steel for high-load automotive gears. Better core toughness than 20CrMnTi.<\/div><\/div>\n          <div class=\"SC\"><div class=\"SC-L\">SAE 4340<\/div><div class=\"SC-V\" style=\"font-size:17px;\">HRC 38\u201342<\/div><div class=\"SC-N\">Ultra-high strength, 1200 MPa+. Connecting rods and robot joints in extreme load applications.<\/div><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     MATERIALS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"MATS Z Z-W\">\n  <div class=\"W\">\n    <div class=\"EB\">Material Selection<\/div>\n    <h2 class=\"H2\">Alloy Steel Grades for <span class=\"H2-a\">Power Transmission Parts<\/span><\/h2>\n    <p style=\"font-size:14px;color:var(--i1);max-width:600px;line-height:1.75;margin-top:10px;\">Alloy steel grade selection for transmission parts is dominated by hardenability, fatigue limit, and case carburising behaviour.<\/p>\n  <\/div>\n  <div class=\"W\" style=\"overflow:visible;\">\n    <div class=\"MAT-OUT\">\n      <div class=\"MAT-ROW\">\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 01<\/div><div class=\"MC-NM\">42CrMo4 (AISI 4140)<\/div><div class=\"MC-SP\">1080 MPa \u00b7 HRC 32 Q&T \u00b7 Best all-round<\/div><div class=\"MC-DC\">Standard grade for high-strength transmission shafts, couplings, and load joints. 42% chromium + 0.2% molybdenum improve hardenability through larger cross-sections than 40Cr. Best combination of strength, toughness, and machinability.<\/div><div class=\"MC-TGS\"><span class=\"TG V1\">Shafts<\/span><span class=\"TG V5\">Robot Joints<\/span><\/div><\/div><\/div>\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 02<\/div><div class=\"MC-NM\">40Cr<\/div><div class=\"MC-SP\">900 MPa \u00b7 HRC 28 Q&T \u00b7 Economical<\/div><div class=\"MC-DC\">Lighter-duty shafts, forks, and connectors where 42CrMo is over-specified. Good hardenability for sections up to 50 mm diameter. Economical choice for medium-load power transmission parts.<\/div><div class=\"MC-TGS\"><span class=\"TG V2\">Forks<\/span><span class=\"TG V3\">Sprockets<\/span><\/div><\/div><\/div>\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 03<\/div><div class=\"MC-NM\">20CrMnTi<\/div><div class=\"MC-SP\">Case HRC 58\u201362 \u00b7 Core HRC 30\u201338 \u00b7 Standard carburising grade<\/div><div class=\"MC-DC\">Chinese-standard carburising grade for gear teeth, spline shafts, and transmission parts requiring hard case + tough core. Gas carburising to case depth 0.8\u20131.2 mm. Standard for automotive gearbox gears. Equivalent to 20MnCr5 (European).<\/div><div class=\"MC-TGS\"><span class=\"TG VA\">Gears<\/span><span class=\"TG V1\">Spline Shaft<\/span><\/div><\/div><\/div>\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 04<\/div><div class=\"MC-NM\">17CrNiMo6 (16MnCr5)<\/div><div class=\"MC-SP\">Case HRC 58\u201362 \u00b7 Superior core toughness<\/div><div class=\"MC-DC\">Premium European carburising steel for high-load automotive gears. Nickel addition improves core impact toughness vs 20CrMnTi \u2014 preferred for differential and transmission gears under shock loads. PPAP documentation available for automotive OEM orders.<\/div><div class=\"MC-TGS\"><span class=\"TG VA\">Auto Gears<\/span><span class=\"TG V5\">PPAP<\/span><\/div><\/div><\/div>\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 05<\/div><div class=\"MC-NM\">GCr15 (SUJ2 \/ 52100)<\/div><div class=\"MC-SP\">HRC 60\u201364 \u00b7 Highest wear resistance \u00b7 Bearing steel<\/div><div class=\"MC-DC\">Bearing steel for the highest wear resistance applications \u2014 wear bushings, cam followers, roller shafts. Through hardened to HRC 60\u201364. Better wear life than 40Cr for parts in rolling and sliding contact.<\/div><div class=\"MC-TGS\"><span class=\"TG V4\">Wear Bushings<\/span><span class=\"TG V3\">Cams<\/span><\/div><\/div><\/div>\n        <div class=\"MC\"><div class=\"MC-B\"><div class=\"MC-NUM\">MAT \/ 06<\/div><div class=\"MC-NM\">SAE 4340 (EN24)<\/div><div class=\"MC-SP\">1200+ MPa \u00b7 Ultra-high strength \u00b7 Deep hardening<\/div><div class=\"MC-DC\">Ultra-high strength alloy for connecting rods and robot joints in extreme load applications. Chromium-nickel-molybdenum ensures through-hardening in sections up to 150 mm diameter. Best fatigue resistance of all common alloy steels. Used where 42CrMo cannot reach the required strength after Q&T.<\/div><div class=\"MC-TGS\"><span class=\"TG V2\">Con Rods<\/span><span class=\"TG V5\">Robot Joints<\/span><\/div><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SURFACE TREATMENTS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"SURFS Z Z-L\">\n  <div class=\"W\">\n    <div class=\"EB\">Surface Treatments<\/div>\n    <h2 class=\"H2\">Corrosion &amp; Wear Protection for <span class=\"H2-a\">Alloy Steel Transmission Parts<\/span><\/h2>\n    <p style=\"font-size:14px;color:var(--i1);max-width:600px;line-height:1.75;margin-top:10px;\">Surface treatment selection for alloy steel transmission parts must preserve dimensional tolerance \u2014 particularly for bearing seats and gear flanks.<\/p>\n  <\/div>\n  <div class=\"W\" style=\"overflow:visible;\">\n    <div class=\"SF-OUT\">\n      <div class=\"SF-ROW\">\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\ud83d\udee1<\/div><div class=\"SFC-NM\">Manganese Zinc Phosphate + Oil<\/div><div class=\"SFC-DC\">The standard surface treatment for alloy steel transmission parts. Excellent corrosion protection, friction reduction, and oil retention in gear and sliding contact applications. Zero dimensional change \u2014 preserves all ground tolerances. Standard for shafts, gears, and couplings.<\/div><div class=\"SFC-APPS\"><span class=\"TG VB\">Shafts<\/span><span class=\"TG VB\">Gears<\/span><\/div><\/div>\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\ud83d\udd32<\/div><div class=\"SFC-NM\">Black Oxide<\/div><div class=\"SFC-DC\">Hot black oxide for minimal corrosion protection with absolute zero dimensional change (&lt;1\u03bcm). Used for precision ground bearing seats and cam profiles where any coating thickness would degrade tolerance. Applied after grinding.<\/div><div class=\"SFC-APPS\"><span class=\"TG VB\">Bearing Seats<\/span><span class=\"TG VN\">Cam profile<\/span><\/div><\/div>\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\u2726<\/div><div class=\"SFC-NM\">Hard Chrome Plating<\/div><div class=\"SFC-DC\">Hard chrome 10\u201330 \u03bcm, HV 900\u20131200, Ra \u22640.1 \u03bcm after grinding. For shaft journals, connecting rod bores, and cam working surfaces requiring maximum wear resistance. Chromium-free (PVD TiN, CrN) alternatives available for RoHS applications.<\/div><div class=\"SFC-APPS\"><span class=\"TG VA\">Shaft journals<\/span><span class=\"TG VA\">Cam OD<\/span><\/div><\/div>\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\ud83d\udca7<\/div><div class=\"SFC-NM\">Electroless Nickel (EN)<\/div><div class=\"SFC-DC\">Uniform EN 25\u201375 \u03bcm for hydraulic connectors and gearbox parts in corrosive or hydraulic fluid environments. Corrosion resistance + surface hardness ~500 HV. Requires tolerance allowance \u2014 confirmed at DFM stage before machining.<\/div><div class=\"SFC-APPS\"><span class=\"TG V5\">Hydraulic parts<\/span><span class=\"TG VN\">Corrosive env.<\/span><\/div><\/div>\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\ud83d\udd25<\/div><div class=\"SFC-NM\">Gas \/ Plasma Nitriding<\/div><div class=\"SFC-DC\">Gas or plasma nitriding of 42CrMo shafts to surface hardness HV 900+ with case depth 0.1\u20130.3 mm. Minimal distortion vs carburising \u2014 suitable for shafts that cannot be ground after heat treatment. Improves fatigue limit and wear resistance without sacrificing dimensional accuracy.<\/div><div class=\"SFC-APPS\"><span class=\"TG VA\">42CrMo Shafts<\/span><span class=\"TG VN\">No grinding needed<\/span><\/div><\/div>\n        <div class=\"SFC\"><div class=\"SFC-ICO\">\ud83c\udfa8<\/div><div class=\"SFC-NM\">Zinc Phosphate + Primer<\/div><div class=\"SFC-DC\">Zinc phosphate base coat + epoxy primer for heavy structural connectors, hydraulic equipment connectors, and alloy steel parts in outdoor environments. Top-coat paint in any RAL colour optional. Standard for outdoor transmission housings and frames.<\/div><div class=\"SFC-APPS\"><span class=\"TG V5\">Structural<\/span><span class=\"TG V5\">Outdoor<\/span><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     WHY US\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"WHY Z Z-L\">\n  <div class=\"W\">\n    <div class=\"EB\">Our Advantage<\/div>\n    <h2 class=\"H2\">Why Drive Train Engineers <span class=\"H2-b\">Specify Our Alloy Steel Parts<\/span><\/h2>\n    <div class=\"WHY-GRD\">\n      <div class=\"WC\"><div class=\"WB\">HT<\/div><div class=\"WT\">Heat Treatment + Post-HT Grinding \u2014 One Supplier<\/div><div class=\"WD\">Alloy steel transmission shafts require bearing seats ground after Q&T to remove heat-treatment distortion. We manage Q&T, carburising, and post-HT precision grinding as one complete order. You receive a finished, ground, certified part \u2014 not a heat-treated blank requiring separate grinding sourcing.<\/div><\/div>\n      <div class=\"WC\"><div class=\"WB\">1080<\/div><div class=\"WT\">42CrMo 1080 MPa \u2014 Properly Documented<\/div><div class=\"WD\">42CrMo Q&T to HRC 32 achieves 1080 MPa tensile strength \u2014 44% higher than 45# carbon steel. Material certificate with chemical composition and mechanical properties per heat number. Heat treatment record with process parameters and hardness test results. Not claimed without evidence.<\/div><\/div>\n      <div class=\"WC\"><div class=\"WB\">5-Ax<\/div><div class=\"WT\">Robot Joint \u22640.005mm Coaxiality \u2014 5-Axis<\/div><div class=\"WD\">Alloy steel robot arm load joints machined in 5-axis single setup for bore coaxiality \u22640.005 mm. Full GD&T CMM report on every order \u2014 not just dimensional pass\/fail. The joint that carries cyclic combined loading needs documented geometry, not assumed accuracy.<\/div><\/div>\n      <div class=\"WC\"><div class=\"WB\">PPAP<\/div><div class=\"WT\">Automotive-Grade Documentation Available<\/div><div class=\"WD\">PPAP documentation, SPC Cpk reporting, and OEM material grade sourcing (17CrNiMo6, SAE 4340, 16MnCr5) available for automotive OEM production programmes. The documentation rigor that OEM supply chains require \u2014 and that most job shops cannot provide.<\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     FAQ\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section class=\"FAQ Z Z-W\" id=\"als-faq\">\n  <div class=\"W\">\n    <div class=\"EB\">Frequently Asked Questions<\/div>\n    <h2 class=\"H2\">Alloy Steel Transmission Parts \u2014 <span class=\"H2-b\">Common Questions<\/span><\/h2>\n    <p style=\"font-size:14px;color:var(--i1);max-width:600px;line-height:1.75;margin-top:10px;\">Technical questions about steel grades, heat treatment, gear standards, and supply chain for alloy steel power transmission parts.<\/p>\n\n    <div class=\"FAQ-GRD\">\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">What alloy steel grades do you use for power transmission parts?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">We machine all standard alloy steel grades: <strong>42CrMo4<\/strong> (AISI 4140 equivalent) \u2014 standard for high-strength transmission shafts, 950\u20131080 MPa, Q&T. <strong>40Cr<\/strong> \u2014 lighter-duty shafts and connectors, 900 MPa. <strong>20CrMnTi<\/strong> \u2014 standard Chinese carburising grade for gear teeth and spline shafts, case HRC 58\u201362. <strong>17CrNiMo6\/16MnCr5<\/strong> \u2014 premium automotive carburising grades, better core toughness. <strong>GCr15<\/strong> (bearing steel) \u2014 wear bushings and cam followers, HRC 60\u201364. <strong>SAE 4340<\/strong> \u2014 ultra-high strength connecting rods and robot joints, 1200+ MPa.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">What heat treatment processes are available?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">We manage all heat treatment end-to-end: <strong>quench &amp; temper (Q&T)<\/strong> of 42CrMo\/40Cr to HRC 28\u201342; <strong>gas carburising<\/strong> of 20CrMnTi to case depth 0.8\u20131.2 mm, surface HRC 58\u201362; <strong>induction hardening<\/strong> of bearing seats and gear flanks for selective hardening; <strong>through hardening<\/strong> of GCr15 to HRC 60\u201364; <strong>gas\/plasma nitriding<\/strong> of 42CrMo to HV 900+; and <strong>annealing<\/strong> for stress relief. Heat treatment record (process cert + hardness test) included with every heat-treated order.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">How do you machine spline shafts and what standards do you follow?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">Involute splines hobbed to <strong>DIN 5480<\/strong> (metric) or <strong>ANSI B92.1<\/strong> (inch), profile tolerance <strong>class 7<\/strong> as standard; class 5\u20136 by post-HT grinding. For case carburised spline shafts: hobbed before carburising, then profile re-verified by gear-measuring machine after HT and grinding. Straight-sided splines to DIN 5461 by broaching or milling. All spline profiles verified by gear-measuring machine \u2014 not assumed from CNC program.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">What tolerances can you achieve on gear blanks and gear shafts?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">Gear blank: <strong>OD h6<\/strong> (hobbing reference); <strong>bore H7<\/strong>; face-to-face parallelism <strong>\u00b10.01 mm<\/strong>; bore-to-OD runout <strong>\u22640.01 mm<\/strong>. Gear shaft: bearing seat OD <strong>k6\/m6<\/strong>; TIR \u22640.01 mm between journals. For carburised gear shafts: bearing seats <strong>finish-ground after HT<\/strong> to restore tolerance. CMM dimensional report with every gear blank and gear shaft order.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">Can you supply connecting rods and cam profiles?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">Yes. Connecting rods: 42CrMo Q&T; bore centreline <strong>\u00b10.02 mm<\/strong>; H7 pin bore; fatigue-rated fillet radii \u2265R1.5 mm; shot-peening option. CMM bore centreline report included. Cam profiles: CNC contoured to <strong>\u00b10.02 mm<\/strong>; working surface case hardened HRC 55\u201360; profile verified by CMM. Eccentric wheel eccentricity tolerance <strong>\u00b10.01 mm<\/strong>; ground working surface.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">What is the difference between alloy steel and carbon steel for transmission parts?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">Standard carbon steels (45#, Q235) achieve 600\u2013750 MPa tensile strength. Alloy steels (42CrMo, 40Cr, 20CrMnTi) achieve <strong>900\u20131200 MPa<\/strong> after heat treatment \u2014 50\u2013100% higher. The key difference is <strong>hardenability<\/strong> \u2014 alloy steel can be through-hardened in larger cross-sections than carbon steel. For fatigue-loaded transmission shafts, couplings, and gear teeth, alloy steel is specified because carbon steel cannot achieve the required fatigue life at the applied load without disproportionate size and weight increase.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">Do you supply parts with gear tooth cutting (hobbing, grinding)?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">Yes. We supply <strong>gear blanks<\/strong> machined ready for hobbing, or <strong>complete gears with teeth<\/strong> hobbed, shaved, or ground in-house or through certified gear-cutting partners. Gear quality: <strong>DIN 3962 class 8<\/strong> standard (commercial hobbed); <strong>class 6<\/strong> after shaving or grinding. Sprockets to <strong>ISO 606<\/strong> (metric) and <strong>ANSI B29.1<\/strong> (inch) with bore H7 and keyway. All gear geometry verified by gear-measuring machine.<\/div><\/div>\n      <\/div>\n\n      <div class=\"FI\">\n        <button class=\"FQ\" onclick=\"alsFaq(this)\"><span class=\"FQ-ICO\">Q<\/span><span class=\"FQ-TXT\">What is MOQ and lead time for alloy steel transmission parts?<\/span><span class=\"FQ-ARR\">\u25bc<\/span><\/button>\n        <div class=\"FA\"><div class=\"FA-IN\">MOQ is <strong>1 piece<\/strong>. Standard parts without heat treatment: <strong>5\u201310 working days<\/strong>. Parts requiring Q&T: add <strong>5\u20137 working days<\/strong>. Parts requiring case carburising: add <strong>7\u201310 working days<\/strong>. Complex multi-feature parts (gear shafts, robot joints): <strong>10\u201315 working days<\/strong> plus HT time. Automotive production batches: lead times agreed in advance \u2014 please discuss your forecast. All parts shipped with material certificate and heat treatment record.<\/div><\/div>\n      <\/div>\n\n    <\/div>\n    <p class=\"FAQ-NOTE\">Structured data (FAQPage + ItemList + Product schema) embedded in page head \u00b7 Eligible for Google FAQ rich results<\/p>\n  <\/div>\n<\/section>\n\n<\/div><!-- end .ALS -->\n\n<script>\n(function () {\n  \/* tab switching *\/\n  var btns  = document.querySelectorAll('.ALS .TBTN');\n  var panes = document.querySelectorAll('.ALS .PNL');\n  btns.forEach(function (btn) {\n    btn.addEventListener('click', function () {\n      btns.forEach(function (b) { b.classList.remove('ACT'); });\n      panes.forEach(function (p) { p.classList.remove('ACT'); });\n      btn.classList.add('ACT');\n      var t = document.getElementById(btn.getAttribute('data-pnl'));\n      if (t) t.classList.add('ACT');\n    });\n  });\n\n  \/* tolerance bar animation *\/\n  var done = false;\n  var bars = document.querySelectorAll('.ALS .TR-B');\n  function anim() {\n    if 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e-flex e-con e-child\" data-id=\"2b0bc8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47d761fc elementor-widget elementor-widget-html\" data-id=\"47d761fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- HXCNC CTA Left Panel | namespace .HXCL | Elementor HTML Widget -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<style>\n.HXCL{\n  --bg:#F7F9FC;--wh:#FFFFFF;--lt:#EEF3F8;\n  --tx:#1F2937;--tx1:#5B6777;--tx2:#9CA8B4;--bd:#D7E0EA;\n  --a:#2563EB;--a2:#1D4ED8;--aA:rgba(37,99,235,.07);--aC:rgba(37,99,235,.20);\n  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class=\"eyebrow\">Get a Quote<\/div>\n\n  <h2 class=\"headline\">\n    Send Your Drawing.<br><em>Get a Quote.<\/em>\n  <\/h2>\n\n  <p class=\"sub\">Every enquiry includes a DFM review \u2014 tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.<\/p>\n\n  <!-- Stats row -->\n  <div class=\"stats\">\n    <div class=\"stat\">\n      <div class=\"sv\">24<small>hr<\/small><\/div>\n      <div class=\"sl\">Quote Response<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">MOQ <small>1<\/small><\/div>\n      <div class=\"sl\">Prototypes OK<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">ISO<\/div>\n      <div class=\"sl\">9001:2015<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Advantage list -->\n  <div class=\"avlist\">\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128208;<\/div>\n      <div>\n        <div class=\"at\">DFM Review on Every Enquiry<\/div>\n        <div class=\"ad\">Tolerance feasibility, fixturing strategy, and material confirmation. Specific, actionable feedback \u2014 not generic pushback.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#127919;<\/div>\n      <div>\n        <div class=\"at\">First Article Inspection \u2014 Standard<\/div>\n        <div class=\"ad\">FAI report on every new run. Material certs and surface treatment certs included with every shipment.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128260;<\/div>\n      <div>\n        <div class=\"at\">Same Process: Prototype to Production<\/div>\n        <div class=\"ad\">Process plan from your prototype applies to production batches. No re-qualification when you scale.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#9881;<\/div>\n      <div>\n        <div class=\"at\">3 \/ 4 \/ 5-Axis CNC + Turning<\/div>\n        <div class=\"ad\">Complex structural parts, shafts, housings, and transmission components. Metals and engineering plastics.<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Cert tags -->\n  <div class=\"certs\">\n    <span class=\"cert hi\">ISO 9001:2015<\/span>\n    <span class=\"cert\">3\/4\/5-Axis Milling<\/span>\n    <span class=\"cert\">CNC Turning<\/span>\n    <span class=\"cert\">CMM Inspection<\/span>\n    <span class=\"cert\">Global Delivery<\/span>\n  <\/div>\n\n<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66978d15 e-con-full e-flex e-con e-child\" data-id=\"66978d15\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ac85cc1 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"5ac85cc1\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_12786b6 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_12786b6\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_12786b6]\" id=\"form-field-field_12786b6\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_0c79fc0 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0c79fc0\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMaterial\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_0c79fc0]\" id=\"form-field-field_0c79fc0\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_6061_t6\">Aluminium 6061-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_7075_t6\">Aluminium 7075-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_304\">Stainless Steel 304<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_316l\">Stainless Steel 316L<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"carbon_steel_4140\">Carbon Steel \/ 4140<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"titanium_ti_6al_4v\">Titanium Ti-6Al-4V<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"brass_c360\">Brass C360<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"copper\">Copper<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"peek\">PEEK<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"pom_acetal\">POM \/ Acetal<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"nylon_pa6_pa66\">Nylon PA6 \/ PA66<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"ptfe_teflon\">PTFE \/ Teflon<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polycarbonate\">Polycarbonate<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"abs\">ABS<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_not_sure\">Other \/ Not sure<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_161b5ef elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_161b5ef\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tSurface Finish\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_161b5ef]\" id=\"form-field-field_161b5ef\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"as_machined\">As-machined<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_ii\">Anodised Type II<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"anodised_type_iii_hard\">Anodised Type III (Hard)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"electroplating\">Electroplating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"powder_coating\">Powder Coating<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"black_oxide\">Black Oxide<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"passivation_ss\">Passivation (SS)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"polishing_ra_requirement\">Polishing \/ Ra requirement<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"other_specify_below\">Other (specify below)<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Select \">Select finish (optional)<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tAdditional Requirements\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Target delivery date, critical dimensions, tolerance callouts, inspection requirements, application 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viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256s111 248 248 248 248-111 248-248zm-448 0c0-110.5 89.5-200 200-200s200 89.5 200 200-89.5 200-200 200S56 366.5 56 256zm72 20v-40c0-6.6 5.4-12 12-12h116v-67c0-10.7 12.9-16 20.5-8.5l99 99c4.7 4.7 4.7 12.3 0 17l-99 99c-7.6 7.6-20.5 2.2-20.5-8.5v-67H140c-6.6 0-12-5.4-12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit Enquiry<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home\/ Products\/ Alloy Steel Power Transmission Parts Product Category Heat Treatment Managed ALS \/ 001 \u2014 025 Alloy SteelPower TransmissionParts 25 product lines in 42CrMo, 40Cr, 20CrMnTi, and GCr15 \u2014 transmission shafts, spline shafts, gear shafts, connecting rods, couplings, carburised gears, and high-load joints. Every part heat-treated. Every certificate delivered. 25Product Lines 1080MPa42CrMo Q&#038;T HRC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-409","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Alloy Steel Power Transmission CNC Parts | HXCNC<\/title>\n<meta name=\"description\" content=\"CNC machined alloy steel power transmission parts: gears, shafts and couplings in 4140, 4340 and 8620. 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