{"id":203,"date":"2026-04-03T02:59:59","date_gmt":"2026-04-03T02:59:59","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=203"},"modified":"2026-10-06T06:16:17","modified_gmt":"2026-10-06T06:16:17","slug":"nickel-based-alloys-cnc-machining","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/uk\/nickel-based-alloys-cnc-machining\/","title":{"rendered":"\u041e\u0431\u0440\u043e\u0431\u043a\u0430 CNC \u043d\u0456\u043a\u0435\u043b\u0435\u0432\u0438\u0445 \u0441\u043f\u043b\u0430\u0432\u0456\u0432"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"203\" class=\"elementor elementor-203\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b0d82a e-con-full e-flex e-con e-parent\" data-id=\"6b0d82a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2457923 elementor-widget elementor-widget-html\" data-id=\"2457923\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- FAQ Structured Data -->\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are nickel-based superalloys and why are they difficult to machine?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nickel-based superalloys (including Inconel 625, Inconel 718, Hastelloy C-276, and Monel 400) are high-performance alloys based on nickel as the primary element, engineered for extreme heat resistance, corrosion resistance, and mechanical strength at elevated temperatures. They are significantly more difficult to machine than stainless steel or titanium because: they work-harden rapidly under cutting forces (requiring continuous chip engagement), they have very low thermal conductivity that concentrates heat at the tool tip, and they contain hard carbide and intermetallic phases that cause rapid abrasive tool wear. Cutting speeds for nickel alloys are typically 10\u201330% of those used for stainless steel.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between Inconel 625 and Inconel 718?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Both are nickel-chromium superalloys but with different strengthening mechanisms and applications. Inconel 625 (UNS N06625) is solution-strengthened with niobium and molybdenum \u2014 it has outstanding corrosion resistance, excellent weldability, and good strength at high temperatures, but is not age-hardenable. It is the standard grade for seawater, chemical processing, and cryogenic applications. Inconel 718 (UNS N07718) is precipitation-hardened by niobium and aluminum additions \u2014 it has significantly higher tensile strength (up to 1380 MPa in aged condition) and fatigue resistance, making it the dominant aerospace and turbine superalloy. Inconel 718 is harder to machine than 625 due to its higher strength and work-hardening tendency.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is Hastelloy C-276 and when should I specify it over Inconel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Hastelloy C-276 (UNS N10276) is a nickel-molybdenum-chromium alloy engineered specifically for maximum corrosion resistance in aggressive chemical environments. It offers superior resistance to oxidizing acids (nitric, chromic), reducing acids (hydrochloric, sulfuric), and mixed acid conditions \u2014 outperforming both Inconel 625 and stainless steel in many chemical service environments. Specify Hastelloy C-276 when the primary requirement is chemical corrosion resistance (especially in chloride-containing, acidic, or mixed oxidizing\/reducing environments), rather than high-temperature strength. For high-temperature aerospace or turbine applications, Inconel 718 is the correct choice.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is Monel 400 and what makes it different from other nickel alloys?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Monel 400 (UNS N04400) is a nickel-copper alloy (approximately 67% Ni, 31% Cu) \u2014 the simplest and oldest commercial nickel alloy. Unlike Inconel (nickel-chromium) and Hastelloy (nickel-molybdenum-chromium), Monel 400 derives its corrosion resistance primarily from the nickel-copper system. It has exceptional resistance to seawater and brine, hydrofluoric acid, and alkaline environments. It is also the most machinable of the four alloys discussed here. Monel 400 is specified for marine hardware, pump shafts and impellers in seawater service, heat exchanger tubing, and chemical handling equipment \u2014 particularly where hydrofluoric acid resistance is required.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tolerances can you hold on nickel alloy CNC machined parts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard tolerance for nickel alloy CNC turning and milling is \u00b10.02 mm. For precision features (bores, shaft diameters, sealing faces), we hold \u00b10.010\u20130.015 mm. Note that nickel alloys spring back more than steel after cutting \u2014 particularly Inconel 718 \u2014 so final tolerances on tight-fit features require careful process control and confirmation passes. CMM inspection reports are provided for all precision nickel alloy components. Tighter tolerances (\u00b10.005 mm) are achievable on selected features with process confirmation \u2014 please specify in your drawing.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tooling do you use for nickel alloy machining?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nickel alloys require premium cutting tools not used on standard steel or aluminum jobs. We use coated carbide inserts (PVD TiAlN and AlTiN coatings) for general turning and milling, ceramic inserts (SiAlON and whisker-reinforced alumina) for high-speed roughing of Inconel 718, and PCBN (polycrystalline cubic boron nitride) for finishing cuts on hardened Inconel 718. High-pressure coolant (70\u2013100 bar) is directed at the cutting zone on all nickel alloy operations to manage heat and clear chips. Tool life is monitored and inserts are changed at defined intervals regardless of visible wear \u2014 preventing built-up edge and surface damage.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which nickel alloy should I choose for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use Inconel 625 for seawater, chemical, and cryogenic applications where corrosion resistance and weldability are primary requirements. Use Inconel 718 for aerospace, turbine, and high-temperature structural applications where maximum strength and fatigue resistance are required. Use Hastelloy C-276 for the most aggressive chemical environments \u2014 mixed acids, chloride solutions, and chemical reactors where Inconel 625 would corrode. Use Monel 400 for marine hardware, HF acid service, and applications where a lower-cost, easier-to-machine nickel alloy is acceptable. If unsure, share your operating temperature, fluid\/chemical exposure, and mechanical load \u2014 we will recommend the correct grade before quoting.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do you provide material certifications for nickel alloy parts?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. All nickel alloy orders are supplied with material test reports (MTR) including chemical composition and mechanical properties per the relevant standard: ASTM B446 for Inconel 625, AMS 5662\/5664 or ASTM B637 for Inconel 718, ASTM B574 for Hastelloy C-276, and ASTM B164 for Monel 400. Heat number traceability is maintained throughout production. For aerospace and safety-critical applications, full first article inspection (FAI) reports and dimensional CMM reports are available on request.\"\n      }\n    }\n  ]\n}\n<\/script>\n\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<style>\n\/* \u2500\u2500 Namespace: .NKL \u2500\u2500 *\/\n.NKL{\n  --bg:#F7F9FC;--bg-white:#FFFFFF;--bg-light:#EEF3F8;\n  --text-1:#1F2937;--text-2:#5B6777;--text-3:#9CA8B4;\n  --border:#D7E0EA;\n  --blue:#2563EB;--blue-h:#1D4ED8;\n  --blue-dim:rgba(37,99,235,0.08);--blue-mid:rgba(37,99,235,0.15);\n  --teal:#0F766E;--teal-dim:rgba(15,118,110,0.08);--teal-border:rgba(15,118,110,0.2);\n  \/* Nickel accent \u2014 deep steel silver-green *\/\n  --nkl:#1E3A5F;\n  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1fr;gap:20px;}\n@media(max-width:900px){.NKL .ngrade-grid{grid-template-columns:1fr;}}\n\n\/* Generic grade card base *\/\n.NKL .ngc{background:#fff;border-radius:var(--r4);overflow:hidden;transition:all 0.25s;display:flex;flex-direction:column;}\n.NKL .ngc-625{border:2px solid var(--in625-border);}\n.NKL .ngc-625:hover{border-color:var(--in625);transform:translateY(-4px);box-shadow:0 14px 36px rgba(180,83,9,0.12);}\n.NKL .ngc-718{border:2px solid var(--in718-border);}\n.NKL .ngc-718:hover{border-color:var(--in718);transform:translateY(-4px);box-shadow:0 14px 36px rgba(124,58,237,0.12);}\n.NKL .ngc-hast{border:2px solid var(--hast-border);}\n.NKL .ngc-hast:hover{border-color:var(--hast);transform:translateY(-4px);box-shadow:0 14px 36px rgba(15,118,110,0.12);}\n.NKL .ngc-monel{border:2px solid var(--monel-border);}\n.NKL .ngc-monel:hover{border-color:var(--monel);transform:translateY(-4px);box-shadow:0 14px 36px rgba(3,105,161,0.12);}\n\n.NKL .ngc-hero-img{aspect-ratio:16\/7;overflow:hidden;position:relative;flex-shrink:0;}\n.NKL .ngc-hero-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.45s;}\n.NKL .ngc:hover .ngc-hero-img img{transform:scale(1.04);}\n.NKL .ngc-type-badge{position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:100px;font-family:var(--ff-m);font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;}\n.NKL .ngcb-625{background:var(--in625);color:#fff;}\n.NKL .ngcb-718{background:var(--in718);color:#fff;}\n.NKL .ngcb-hast{background:var(--hast);color:#fff;}\n.NKL .ngcb-monel{background:var(--monel);color:#fff;}\n\n.NKL .ngc-split{display:grid;grid-template-columns:1fr 1fr;gap:0;}\n@media(max-width:700px){.NKL .ngc-split{grid-template-columns:1fr;}}\n.NKL .ngc-left{padding:24px;border-right:1px solid var(--border);}\n@media(max-width:700px){.NKL .ngc-left{border-right:none;border-bottom:1px solid var(--border);}}\n.NKL .ngc-right{padding:24px;}\n\n.NKL .ngc-grade{font-family:var(--ff-m);font-size:26px;font-weight:700;line-height:1;margin-bottom:4px;}\n.NKL .ngc-uns{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px;}\n.NKL .ngc-name{font-family:var(--ff-h);font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:10px;}\n.NKL .ngc-desc{font-size:12px;color:var(--text-2);line-height:1.72;margin-bottom:14px;}\n\n.NKL .ngc-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:14px;}\n.NKL .ngc-stat{padding:9px 11px;border-radius:var(--r2);text-align:center;}\n.NKL .ngs-625{background:var(--in625-dim);border:1px solid var(--in625-border);}\n.NKL .ngs-718{background:var(--in718-dim);border:1px solid var(--in718-border);}\n.NKL .ngs-hast{background:var(--hast-dim);border:1px solid var(--hast-border);}\n.NKL .ngs-monel{background:var(--monel-dim);border:1px solid var(--monel-border);}\n.NKL .ngc-stat-val{font-family:var(--ff-h);font-size:14px;font-weight:900;line-height:1;margin-bottom:3px;}\n.NKL .ngc-stat-lbl{font-family:var(--ff-m);font-size:9px;color:var(--text-3);letter-spacing:1.2px;text-transform:uppercase;}\n\n.NKL .ngc-uses{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:14px;}\n.NKL .ngc-use{padding:2px 8px;border-radius:100px;background:var(--bg-light);border:1px solid var(--border);font-family:var(--ff-m);font-size:10px;color:var(--text-3);}\n\n.NKL .ngc-link{display:inline-flex;align-items:center;gap:5px;font-family:var(--ff-h);font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;}\n.NKL .ngc-link::after{content:'\u2192';}\n.NKL .ngl-625{color:var(--in625);}\n.NKL .ngl-718{color:var(--in718);}\n.NKL .ngl-hast{color:var(--hast);}\n.NKL .ngl-monel{color:var(--monel);}\n\n\/* right \u2014 composition table *\/\n.NKL .ncomp-title{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}\n.NKL .ncomp-table{width:100%;border-collapse:collapse;margin-bottom:14px;}\n.NKL .ncomp-table tr{border-bottom:1px solid var(--border);}\n.NKL .ncomp-table tr:last-child{border-bottom:none;}\n.NKL .ncomp-table td{padding:6px 0;font-size:11px;}\n.NKL .ncomp-table td:first-child{color:var(--text-3);font-family:var(--ff-m);font-size:10px;letter-spacing:.8px;text-transform:uppercase;width:55%;}\n.NKL .ncomp-table td:last-child{font-weight:700;text-align:right;}\n\n.NKL .ngc-props-list{display:flex;flex-direction:column;gap:5px;}\n.NKL .ngc-prop{display:flex;align-items:flex-start;gap:7px;font-size:11px;color:var(--text-2);line-height:1.5;}\n.NKL .ngc-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0;margin-top:4px;}\n\n\/* \u2500\u2500 WHEN TO USE EACH \u2500\u2500 *\/\n.NKL .nwhen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}\n@media(max-width:1100px){.NKL .nwhen-grid{grid-template-columns:1fr 1fr;}}\n@media(max-width:500px){.NKL .nwhen-grid{grid-template-columns:1fr;}}\n.NKL .nwhen-card{padding:22px;border-radius:var(--r3);border:1.5px solid var(--border);background:#fff;transition:all 0.2s;}\n.NKL .nwc-625{border-color:var(--in625-border);}\n.NKL .nwc-625:hover{border-color:var(--in625);box-shadow:0 8px 24px rgba(180,83,9,0.1);}\n.NKL .nwc-718{border-color:var(--in718-border);}\n.NKL .nwc-718:hover{border-color:var(--in718);box-shadow:0 8px 24px rgba(124,58,237,0.1);}\n.NKL .nwc-hast{border-color:var(--hast-border);}\n.NKL .nwc-hast:hover{border-color:var(--hast);box-shadow:0 8px 24px rgba(15,118,110,0.1);}\n.NKL .nwc-monel{border-color:var(--monel-border);}\n.NKL .nwc-monel:hover{border-color:var(--monel);box-shadow:0 8px 24px rgba(3,105,161,0.1);}\n.NKL .nwc-head{font-family:var(--ff-h);font-size:13px;font-weight:700;color:var(--text-1);margin-bottom:10px;display:flex;align-items:center;gap:8px;}\n.NKL .nwc-ico{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;}\n.NKL .nwc-list{display:flex;flex-direction:column;gap:5px;}\n.NKL .nwc-item{display:flex;align-items:flex-start;gap:6px;font-size:11px;color:var(--text-2);line-height:1.5;}\n\n\/* \u2500\u2500 COMPARISON TABLE \u2500\u2500 *\/\n.NKL .ncmp-wrap{overflow-x:auto;}\n.NKL .ncmp-table{width:100%;border-collapse:collapse;border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;min-width:700px;}\n.NKL .ncmp-table thead th{padding:11px 14px;background:var(--bg-light);font-family:var(--ff-h);font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:.5px;text-transform:uppercase;text-align:left;border-bottom:1.5px solid var(--border);}\n.NKL .ncmp-table thead th:nth-child(2){color:var(--in625);}\n.NKL .ncmp-table thead th:nth-child(3){color:var(--in718);}\n.NKL .ncmp-table thead th:nth-child(4){color:var(--hast);}\n.NKL .ncmp-table thead th:nth-child(5){color:var(--monel);}\n.NKL .ncmp-table thead th:nth-child(6){color:var(--text-3);}\n.NKL .ncmp-table tbody td{padding:11px 14px;font-size:12px;color:var(--text-2);border-bottom:1px solid var(--border);vertical-align:top;}\n.NKL .ncmp-table tbody tr:last-child td{border-bottom:none;}\n.NKL .ncmp-table tbody tr:hover td{background:var(--bg-light);}\n.NKL .ncmp-table tbody td:first-child{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:1px;text-transform:uppercase;white-space:nowrap;font-weight:500;}\n\n\/* \u2500\u2500 MACHINING NOTES \u2500\u2500 *\/\n.NKL .nmc-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;}\n@media(max-width:700px){.NKL .nmc-cols{grid-template-columns:1fr;}}\n.NKL .nmc-box{padding:24px;background:#fff;border:1.5px solid var(--border);border-radius:var(--r3);}\n.NKL .nmc-head{font-family:var(--ff-h);font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:14px;display:flex;align-items:center;gap:10px;}\n.NKL .nmc-ico{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;}\n.NKL .nmc-ico-red{background:rgba(239,68,68,0.1);}\n.NKL .nmc-ico-teal{background:var(--teal-dim);}\n.NKL .nmc-row{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--text-2);margin-bottom:10px;line-height:1.6;}\n.NKL .nmc-row:last-child{margin-bottom:0;}\n.NKL .nmc-dot-r{color:#DC2626;font-weight:700;flex-shrink:0;}\n.NKL .nmc-dot-teal{color:var(--teal);font-weight:700;flex-shrink:0;}\n.NKL .nmc-row strong{color:var(--text-1);font-weight:600;display:block;margin-bottom:2px;}\n\n\/* \u2500\u2500 CAPABILITIES \u2500\u2500 *\/\n.NKL .ncap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}\n@media(max-width:900px){.NKL .ncap-grid{grid-template-columns:1fr 1fr;}}\n@media(max-width:500px){.NKL .ncap-grid{grid-template-columns:1fr;}}\n.NKL .ncap-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;transition:all 0.22s;}\n.NKL .ncap-card:hover{border-color:var(--nkl-mid);transform:translateY(-3px);box-shadow:0 10px 28px rgba(30,58,95,0.1);}\n.NKL .ncc-img{aspect-ratio:16\/9;overflow:hidden;}\n.NKL .ncc-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}\n.NKL .ncap-card:hover .ncc-img img{transform:scale(1.05);}\n.NKL .ncc-body{padding:18px;}\n.NKL .ncc-num{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:2px;margin-bottom:8px;}\n.NKL .ncc-title{font-family:var(--ff-h);font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:6px;}\n.NKL .ncc-desc{font-size:12px;color:var(--text-2);line-height:1.65;margin-bottom:10px;}\n.NKL .ncc-tags{display:flex;flex-wrap:wrap;gap:4px;}\n.NKL .ncct{padding:2px 8px;border-radius:100px;background:var(--bg-light);border:1px solid var(--border);font-family:var(--ff-m);font-size:10px;color:var(--text-3);}\n\n\/* \u2500\u2500 TYPICAL PARTS \u2500\u2500 *\/\n.NKL .nparts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}\n@media(max-width:800px){.NKL .nparts-grid{grid-template-columns:1fr 1fr;}}\n@media(max-width:500px){.NKL .nparts-grid{grid-template-columns:1fr;}}\n.NKL .npart-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;transition:all 0.22s;cursor:pointer;}\n.NKL .npart-card:hover{border-color:var(--nkl-mid);transform:translateY(-3px);box-shadow:0 10px 28px rgba(30,58,95,0.1);}\n.NKL .npc-img{aspect-ratio:4\/3;overflow:hidden;position:relative;}\n.NKL .npc-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.45s;}\n.NKL .npart-card:hover .npc-img img{transform:scale(1.07);}\n.NKL .npc-badge{position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:100px;background:rgba(255,255,255,0.92);backdrop-filter:blur(4px);font-family:var(--ff-m);font-size:10px;font-weight:700;}\n.NKL .npc-body{padding:16px;}\n.NKL .npc-title{font-family:var(--ff-h);font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:8px;}\n.NKL .npc-row{display:flex;gap:8px;margin-bottom:4px;}\n.NKL .npc-k{font-family:var(--ff-m);font-size:10px;min-width:52px;color:var(--text-3);}\n.NKL .npc-v{font-size:12px;color:var(--text-2);}\n\n\/* \u2500\u2500 CASE STUDIES \u2500\u2500 *\/\n.NKL .ncase-list{display:flex;flex-direction:column;gap:28px;}\n.NKL .ncase-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r4);overflow:hidden;transition:all 0.25s;}\n.NKL .ncase-card:hover{box-shadow:0 12px 40px rgba(30,58,95,0.1);}\n.NKL .ncase-625:hover{border-color:var(--in625);}\n.NKL .ncase-718:hover{border-color:var(--in718);}\n.NKL .ncase-hast:hover{border-color:var(--hast);}\n.NKL .ncase-inner{display:grid;grid-template-columns:380px 1fr;}\n@media(max-width:900px){.NKL .ncase-inner{grid-template-columns:1fr;}}\n.NKL .ncase-inner.nrev{direction:rtl;}\n.NKL .ncase-inner.nrev>*{direction:ltr;}\n.NKL .ncase-imgs{display:flex;flex-direction:column;}\n.NKL .nci-main{flex:1;overflow:hidden;min-height:240px;}\n.NKL .nci-main img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}\n.NKL .ncase-card:hover .nci-main img{transform:scale(1.04);}\n.NKL .nci-row{display:grid;grid-template-columns:1fr 1fr;border-top:3px solid #fff;}\n.NKL .nci-sm{overflow:hidden;aspect-ratio:4\/3;}\n.NKL .nci-sm img{width:100%;height:100%;object-fit:cover;}\n.NKL .ncase-body{padding:28px;display:flex;flex-direction:column;justify-content:center;}\n.NKL .ncase-num{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}\n.NKL .ncase-title{font-family:var(--ff-h);font-size:19px;font-weight:700;color:var(--text-1);margin-bottom:12px;line-height:1.2;}\n.NKL .ncase-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:14px;}\n.NKL .ncase-row{display:grid;grid-template-columns:72px 1fr;gap:8px;margin-bottom:8px;align-items:start;}\n.NKL .ncr-k{font-family:var(--ff-m);font-size:10px;color:var(--text-3);letter-spacing:1px;text-transform:uppercase;padding-top:1px;}\n.NKL .ncr-v{font-size:13px;color:var(--text-2);line-height:1.6;}\n.NKL .ncr-v strong{color:var(--text-1);font-weight:600;}\n.NKL .ncase-outcome{padding:12px 14px;border-radius:var(--r2);font-size:13px;color:var(--text-2);line-height:1.65;margin:12px 0 16px;}\n.NKL .nco-625{background:var(--in625-dim);border:1px solid var(--in625-border);}\n.NKL .nco-625 strong{color:var(--in625);}\n.NKL .nco-718{background:var(--in718-dim);border:1px solid var(--in718-border);}\n.NKL .nco-718 strong{color:var(--in718);}\n.NKL .nco-hast{background:var(--hast-dim);border:1px solid var(--hast-border);}\n.NKL .nco-hast strong{color:var(--hast);}\n\n\/* \u2500\u2500 PROCESS FLOW \u2500\u2500 *\/\n.NKL .nflow-strip{display:grid;grid-template-columns:repeat(5,1fr);border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;background:#fff;box-shadow:0 2px 12px rgba(31,41,55,0.05);}\n@media(max-width:768px){.NKL .nflow-strip{grid-template-columns:1fr 1fr;}}\n.NKL .nflow-step{border-right:1px solid var(--border);transition:background 0.18s;}\n.NKL .nflow-step:last-child{border-right:none;}\n.NKL .nflow-step:hover{background:var(--bg-light);}\n.NKL .nfs-img{aspect-ratio:4\/3;overflow:hidden;}\n.NKL .nfs-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}\n.NKL .nflow-step:hover .nfs-img img{transform:scale(1.07);}\n.NKL .nfs-body{padding:16px;}\n.NKL .nfs-num{font-family:var(--ff-m);font-size:10px;color:var(--nkl-mid);letter-spacing:2px;font-weight:700;margin-bottom:7px;}\n.NKL .nfs-title{font-family:var(--ff-h);font-size:13px;font-weight:700;color:var(--text-1);margin-bottom:5px;}\n.NKL .nfs-desc{font-size:11px;color:var(--text-2);line-height:1.6;}\n\n\/* \u2500\u2500 SURFACE TREATMENTS \u2500\u2500 *\/\n.NKL .nsf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}\n@media(max-width:900px){.NKL .nsf-grid{grid-template-columns:1fr 1fr;}}\n.NKL .nsf-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;transition:all 0.22s;}\n.NKL .nsf-card:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,118,110,0.1);}\n.NKL .nsf-img{aspect-ratio:4\/3;overflow:hidden;}\n.NKL .nsf-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}\n.NKL .nsf-card:hover .nsf-img img{transform:scale(1.05);}\n.NKL .nsf-body{padding:16px;}\n.NKL .nsf-name{font-family:var(--ff-h);font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:6px;}\n.NKL .nsf-desc{font-size:12px;color:var(--text-2);line-height:1.65;margin-bottom:10px;}\n.NKL .nsf-tags{display:flex;flex-wrap:wrap;gap:4px;}\n.NKL .nsft{padding:2px 8px;border-radius:100px;background:var(--teal-dim);border:1px solid var(--teal-border);font-family:var(--ff-m);font-size:10px;color:var(--teal);}\n\n\/* \u2500\u2500 METRICS \u2500\u2500 *\/\n.NKL .nmetrics{display:grid;grid-template-columns:repeat(4,1fr);background:var(--nkl);}\n@media(max-width:640px){.NKL .nmetrics{grid-template-columns:1fr 1fr;}}\n.NKL .nmetric{padding:36px 24px;text-align:center;border-right:1px solid rgba(255,255,255,0.15);}\n.NKL .nmetric:last-child{border-right:none;}\n.NKL .nmetric-val{font-family:var(--ff-h);font-size:36px;font-weight:900;color:#fff;line-height:1;}\n.NKL .nmetric-unit{font-size:15px;}\n.NKL .nmetric-lbl{font-family:var(--ff-m);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,0.6);margin-top:8px;}\n\n\/* \u2500\u2500 WHY US \u2500\u2500 *\/\n.NKL .nwhy-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}\n@media(max-width:800px){.NKL .nwhy-layout{grid-template-columns:1fr;}}\n.NKL .nwhy-img{border-radius:var(--r3);overflow:hidden;aspect-ratio:4\/3;border:1px solid var(--border);box-shadow:0 4px 24px rgba(31,41,55,0.08);}\n.NKL .nwhy-img img{width:100%;height:100%;object-fit:cover;}\n.NKL .nwhy-points{display:flex;flex-direction:column;gap:14px;}\n.NKL .nwp-item{display:flex;gap:13px;align-items:flex-start;padding:16px;background:#fff;border:1.5px solid var(--border);border-radius:var(--r2);transition:all 0.2s;}\n.NKL .nwp-item:hover{border-color:var(--nkl-mid);}\n.NKL .nwp-ico{width:38px;height:38px;border-radius:10px;background:var(--nkl-dim);border:1px solid var(--nkl-border);display:flex;align-items:center;justify-content:center;font-family:var(--ff-m);font-size:11px;font-weight:700;color:var(--nkl-mid);flex-shrink:0;}\n.NKL .nwp-title{font-family:var(--ff-h);font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:4px;}\n.NKL .nwp-desc{font-size:12px;color:var(--text-2);line-height:1.65;}\n\n\/* \u2500\u2500 INDUSTRIES \u2500\u2500 *\/\n.NKL .nind-row{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;}\n@media(max-width:900px){.NKL .nind-row{grid-template-columns:repeat(3,1fr);}}\n@media(max-width:480px){.NKL .nind-row{grid-template-columns:1fr 1fr;}}\n.NKL .nind-mini{padding:18px 12px;text-align:center;background:#fff;border:1.5px solid var(--border);border-radius:var(--r2);transition:all 0.2s;}\n.NKL .nind-mini:hover{border-color:var(--nkl-mid);box-shadow:0 6px 18px rgba(30,58,95,0.09);}\n.NKL .nim-icon{font-size:22px;margin-bottom:8px;}\n.NKL .nim-name{font-family:var(--ff-h);font-size:13px;font-weight:700;color:var(--text-1);margin-bottom:3px;}\n.NKL .nim-grade{font-family:var(--ff-m);font-size:10px;color:var(--text-3);}\n\n\/* \u2500\u2500 FAQ \u2500\u2500 *\/\n.NKL .nfaq-layout{display:grid;grid-template-columns:1fr 2fr;gap:56px;align-items:start;}\n@media(max-width:800px){.NKL .nfaq-layout{grid-template-columns:1fr;}}\n.NKL .nfaq-list{border:1.5px solid var(--border);border-radius:var(--r3);overflow:hidden;}\n.NKL .nfaq-item{border-bottom:1px solid var(--border);}\n.NKL .nfaq-item:last-child{border-bottom:none;}\n.NKL .nfaq-q{width:100%;padding:17px 20px;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;font-family:var(--ff-h);font-size:14px;font-weight:700;color:var(--text-1);text-align:left;transition:background 0.15s;}\n.NKL .nfaq-q:hover{background:var(--bg-light);}\n.NKL .nfaq-q.nopen{color:var(--nkl-mid);background:var(--nkl-dim);}\n.NKL .nfaq-icon{width:24px;height:24px;border-radius:50%;background:var(--bg-light);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;transition:all 0.2s;color:var(--text-2);}\n.NKL .nfaq-q.nopen .nfaq-icon{background:var(--nkl-mid);border-color:var(--nkl-mid);color:#fff;transform:rotate(45deg);}\n.NKL .nfaq-a{display:none;padding:0 20px 16px;font-size:13px;color:var(--text-2);line-height:1.75;}\n.NKL .nfaq-a.nopen{display:block;}\n\n\/* \u2500\u2500 CTA \u2500\u2500 *\/\n.NKL .ncta{position:relative;padding:96px 0;overflow:hidden;}\n.NKL .ncta-bg{position:absolute;inset:0;}\n.NKL .ncta-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(0.2);}\n.NKL .ncta-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,58,95,0.88),rgba(15,118,110,0.55));}\n.NKL .ncta-dots{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,0.09) 1px,transparent 1px);background-size:24px 24px;}\n.NKL .ncta-inner{position:relative;z-index:2;text-align:center;}\n.NKL .ncta-lbl{display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-m);font-size:11px;font-weight:500;letter-spacing:3px;text-transform:uppercase;color:rgba(255,255,255,0.6);margin-bottom:14px;justify-content:center;}\n.NKL .ncta-h2{font-family:var(--ff-h);font-size:clamp(26px,3.5vw,50px);font-weight:700;color:#fff;margin-bottom:14px;line-height:1.1;}\n.NKL .ncta-sub{font-size:16px;color:rgba(255,255,255,0.75);margin-bottom:34px;max-width:540px;margin-left:auto;margin-right:auto;line-height:1.75;}\n.NKL .ncta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}\n<\/style>\n\n<div class=\"NKL\">\n\n<!-- BREADCRUMB -->\n<div class=\"nbreadcrumb\">\n  <div class=\"nwrap\">\n    <div class=\"nbc-inner\">\n      <a href=\"\/\">Home<\/a><span class=\"nbc-sep\">\/<\/span>\n      <a href=\"\/material\/\">Materials<\/a><span class=\"nbc-sep\">\/<\/span>\n      <span class=\"nbc-current\">Nickel-Based Alloys \u2014 Inconel 625 \/ 718 \u00b7 Hastelloy C-276 \u00b7 Monel 400<\/span>\n    <\/div>\n  <\/div>\n<\/div>\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     1. 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<section class=\"nhero\">\n  <div class=\"nhero-dot\"><\/div>\n  <div class=\"nwrap\">\n    <div class=\"nhero-inner\">\n      <div>\n        <div class=\"nlabel\">Nickel-Based Alloy CNC Machining<\/div>\n        <h1 class=\"nhero-h1\">Nickel Alloy<br><span style=\"color:var(--nkl-mid);\">CNC Machining<\/span><\/h1>\n        <div class=\"nhero-kicker\">\n          <span class=\"nhk-pill\"><span class=\"nhk-dot\" style=\"background:var(--in625);\"><\/span>Inconel 625<\/span>\n          <span class=\"nhk-pill\"><span class=\"nhk-dot\" style=\"background:var(--in718);\"><\/span>Inconel 718<\/span>\n          <span class=\"nhk-pill\"><span class=\"nhk-dot\" style=\"background:var(--hast);\"><\/span>Hastelloy C-276<\/span>\n          <span class=\"nhk-pill\"><span class=\"nhk-dot\" style=\"background:var(--monel);\"><\/span>Monel 400<\/span>\n          <span class=\"nhk-pill\"><span class=\"nhk-dot\" style=\"background:var(--nkl);\"><\/span>Aerospace \u00b7 Chemical \u00b7 Marine<\/span>\n        <\/div>\n        <p class=\"nhero-sub\">Precision CNC machining of nickel-based superalloys for aerospace, chemical processing, oil &amp; gas, and marine applications demanding extreme temperature resistance, corrosion resistance, and high-strength performance where stainless steel is insufficient.<\/p>\n        <div class=\"nhero-btns\">\n          <a href=\"#nquote\" class=\"nbtn nbtn-primary\">Get a Quote \u2192<\/a>\n          <a href=\"#nquote\" class=\"nbtn nbtn-outline\">Send Your Drawing<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"nhero-imgs\">\n        <div class=\"nhi-main\">\n          <img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Nickel-Base-Alloys.jpeg\" alt=\"Nickel Alloy Inconel Hastelloy Monel CNC Machined Parts\">\n        <\/div>\n        <div class=\"nhi-badge\">\n          <div class=\"nhib-l\">Max Service Temp<\/div>\n          <div class=\"nhib-v\">982 \u00b0C<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"nhero-bar\">\n      <div class=\"nhbar-item\"><div class=\"nhbar-v\">4 Grades<\/div><div class=\"nhbar-l\">In625 \/ In718 \/ C-276 \/ Monel<\/div><\/div>\n      <div class=\"nhbar-item\"><div class=\"nhbar-v\">982\u00b0C<\/div><div class=\"nhbar-l\">Max Service Temperature<\/div><\/div>\n      <div class=\"nhbar-item\"><div class=\"nhbar-v\">1380<span style=\"font-size:13px\">MPa<\/span><\/div><div class=\"nhbar-l\">Inconel 718 Tensile Strength<\/div><\/div>\n      <div class=\"nhbar-item\"><div class=\"nhbar-v\">24hr<\/div><div class=\"nhbar-l\">Quote Turnaround<\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- TICKER -->\n<div class=\"nticker\">\n  <div class=\"ntick-track\">\n    <span class=\"ntick-item\">Inconel 625 <span class=\"ntick-625\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Inconel 718 Aerospace <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Hastelloy C-276 Chemical <span class=\"ntick-hast\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Monel 400 Marine <span class=\"ntick-monel\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">High-Pressure Coolant Machining <span class=\"ntick-625\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Ceramic &amp; PCBN Tooling <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Turbine Components <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Subsea &amp; Offshore Parts <span class=\"ntick-hast\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Valve Seats \u00b7 Nozzles \u00b7 Flanges <span class=\"ntick-monel\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Inconel 625 <span class=\"ntick-625\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Inconel 718 Aerospace <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Hastelloy C-276 Chemical <span class=\"ntick-hast\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Monel 400 Marine <span class=\"ntick-monel\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">High-Pressure Coolant Machining <span class=\"ntick-625\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Ceramic &amp; PCBN Tooling <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Turbine Components <span class=\"ntick-718\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Subsea &amp; Offshore Parts <span class=\"ntick-hast\">\u2726<\/span><\/span>\n    <span class=\"ntick-item\">Valve Seats \u00b7 Nozzles \u00b7 Flanges <span class=\"ntick-monel\">\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     2. GRADE CARDS\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=\"nsec nsec-white\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Material Grades<\/div>\n        <h2 class=\"nh2\">Four Nickel Alloys, <span style=\"color:var(--nkl-mid);\">Four Different Demands<\/span><\/h2>\n      <\/div>\n    <\/div>\n\n    <!-- Row 1: Inconel 625 + Inconel 718 -->\n    <div class=\"ngrade-grid\" style=\"margin-bottom:20px;\">\n\n      <!-- Inconel 625 -->\n      <div class=\"ngc ngc-625\">\n        <div class=\"ngc-split\">\n          <div class=\"ngc-left\">\n            <div class=\"ngc-grade c625\">IN625<\/div>\n            <div class=\"ngc-uns\">UNS N06625 \u00b7 ASTM B446 \/ B564 \u00b7 AMS 5666<\/div>\n            <div class=\"ngc-name\">Solution-Strengthened Nickel-Chromium-Molybdenum Alloy<\/div>\n            <div class=\"ngc-desc\">The industry-standard nickel alloy for seawater, chemical, and cryogenic service. Niobium additions provide solid-solution strengthening and outstanding corrosion resistance across a wide temperature range \u2014 from cryogenic (-196 \u00b0C) to 982 \u00b0C. Excellent weldability and resistance to stress corrosion cracking in chloride environments. The most widely specified nickel alloy for subsea, marine, and chemical processing components.<\/div>\n            <div class=\"ngc-stat-grid\">\n              <div class=\"ngc-stat ngs-625\"><div class=\"ngc-stat-val c625\">930 MPa<\/div><div class=\"ngc-stat-lbl\">Tensile Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-625\"><div class=\"ngc-stat-val c625\">414 MPa<\/div><div class=\"ngc-stat-lbl\">Yield Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-625\"><div class=\"ngc-stat-val c625\">\u2212196\u2013982\u00b0C<\/div><div class=\"ngc-stat-lbl\">Service Range<\/div><\/div>\n              <div class=\"ngc-stat ngs-625\"><div class=\"ngc-stat-val c625\">HRB 98<\/div><div class=\"ngc-stat-lbl\">Hardness<\/div><\/div>\n            <\/div>\n            <div class=\"ngc-uses\"><span class=\"ngc-use\">Subsea Connectors<\/span><span class=\"ngc-use\">Chemical Valves<\/span><span class=\"ngc-use\">Cryogenic Parts<\/span><span class=\"ngc-use\">Marine Flanges<\/span><span class=\"ngc-use\">Heat Exchanger Tubes<\/span><\/div>\n            <span class=\"ngc-link ngl-625\">View Inconel 625 Details<\/span>\n          <\/div>\n          <div class=\"ngc-right\">\n            <div class=\"ncomp-title\">Chemical Composition<\/div>\n            <table class=\"ncomp-table\">\n              <tr><td>Nickel (Ni)<\/td><td class=\"c625\">58% min (bal.)<\/td><\/tr>\n              <tr><td>Chromium (Cr)<\/td><td class=\"c625\">20.0\u201323.0%<\/td><\/tr>\n              <tr><td>Molybdenum (Mo)<\/td><td class=\"c625\">8.0\u201310.0%<\/td><\/tr>\n              <tr><td>Niobium + Ta<\/td><td class=\"c625\">3.15\u20134.15%<\/td><\/tr>\n              <tr><td>Iron (Fe) max<\/td><td class=\"c625\">5.0%<\/td><\/tr>\n              <tr><td>Carbon (C) max<\/td><td class=\"c625\">0.10%<\/td><\/tr>\n            <\/table>\n            <div class=\"ncomp-title\">Key Properties<\/div>\n            <div class=\"ngc-props-list\">\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in625);\"><\/span>Exceptional resistance to seawater, chloride pitting, and crevice corrosion<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in625);\"><\/span>Excellent weldability \u2014 retains corrosion resistance in the weld HAZ<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in625);\"><\/span>Cryogenic toughness \u2014 suitable down to \u2212196 \u00b0C<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in625);\"><\/span>Not precipitation-hardenable \u2014 strength fixed by composition<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in625);\"><\/span>More machinable than IN718 \u2014 carbide tooling standard<\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- Inconel 718 -->\n      <div class=\"ngc ngc-718\">\n        <div class=\"ngc-split\">\n          <div class=\"ngc-left\">\n            <div class=\"ngc-grade c718\">IN718<\/div>\n            <div class=\"ngc-uns\">UNS N07718 \u00b7 AMS 5662 \/ 5664 \u00b7 ASTM B637<\/div>\n            <div class=\"ngc-name\">Precipitation-Hardened Nickel-Chromium-Molybdenum-Niobium Alloy<\/div>\n            <div class=\"ngc-desc\">The most widely used aerospace superalloy \u2014 accounting for over 50% of all jet engine superalloy usage. Age-hardened by gamma-prime and gamma-double-prime precipitates, Inconel 718 achieves tensile strength up to 1380 MPa with outstanding fatigue resistance. Maintains mechanical integrity at temperatures up to 650 \u00b0C (700 \u00b0C for short durations). The most challenging of the four alloys to machine \u2014 work-hardening rate is high and ceramic tooling is required for roughing.<\/div>\n            <div class=\"ngc-stat-grid\">\n              <div class=\"ngc-stat ngs-718\"><div class=\"ngc-stat-val c718\">1380 MPa<\/div><div class=\"ngc-stat-lbl\">Tensile Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-718\"><div class=\"ngc-stat-val c718\">1172 MPa<\/div><div class=\"ngc-stat-lbl\">Yield Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-718\"><div class=\"ngc-stat-val c718\">to 700\u00b0C<\/div><div class=\"ngc-stat-lbl\">Service Temp<\/div><\/div>\n              <div class=\"ngc-stat ngs-718\"><div class=\"ngc-stat-val c718\">HRC 36\u201346<\/div><div class=\"ngc-stat-lbl\">Hardness (aged)<\/div><\/div>\n            <\/div>\n            <div class=\"ngc-uses\"><span class=\"ngc-use\">Turbine Discs<\/span><span class=\"ngc-use\">Jet Engine Parts<\/span><span class=\"ngc-use\">Aerospace Fasteners<\/span><span class=\"ngc-use\">Rocket Components<\/span><span class=\"ngc-use\">Downhole Tools<\/span><\/div>\n            <span class=\"ngc-link ngl-718\">View Inconel 718 Details<\/span>\n          <\/div>\n          <div class=\"ngc-right\">\n            <div class=\"ncomp-title\">Chemical Composition<\/div>\n            <table class=\"ncomp-table\">\n              <tr><td>Nickel + Cobalt<\/td><td class=\"c718\">50.0\u201355.0%<\/td><\/tr>\n              <tr><td>Chromium (Cr)<\/td><td class=\"c718\">17.0\u201321.0%<\/td><\/tr>\n              <tr><td>Niobium + Ta<\/td><td class=\"c718\">4.75\u20135.50%<\/td><\/tr>\n              <tr><td>Molybdenum (Mo)<\/td><td class=\"c718\">2.8\u20133.3%<\/td><\/tr>\n              <tr><td>Titanium (Ti)<\/td><td class=\"c718\">0.65\u20131.15%<\/td><\/tr>\n              <tr><td>Aluminum (Al)<\/td><td class=\"c718\">0.20\u20130.80%<\/td><\/tr>\n            <\/table>\n            <div class=\"ncomp-title\">Key Properties<\/div>\n            <div class=\"ngc-props-list\">\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in718);\"><\/span>Highest strength of the four alloys \u2014 precipitation-hardened<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in718);\"><\/span>Outstanding fatigue and creep resistance at elevated temperature<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in718);\"><\/span>Usually machined in annealed or solution-treated condition, then aged<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in718);\"><\/span>Ceramic inserts + PCBN for finishing \u2014 most difficult nickel alloy to machine<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--in718);\"><\/span>Work-hardening is the primary machining challenge \u2014 no dwell at any stage<\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <!-- Row 2: Hastelloy C-276 + Monel 400 -->\n    <div class=\"ngrade-grid\">\n      <!-- Hastelloy C-276 -->\n      <div class=\"ngc ngc-hast\">\n        <div class=\"ngc-split\">\n          <div class=\"ngc-left\">\n            <div class=\"ngc-grade chast\">C-276<\/div>\n            <div class=\"ngc-uns\">UNS N10276 \u00b7 ASTM B574 \/ B575 \u00b7 AMS 5750<\/div>\n            <div class=\"ngc-name\">Nickel-Molybdenum-Chromium Alloy \u2014 Maximum Chemical Resistance<\/div>\n            <div class=\"ngc-desc\">Hastelloy C-276 is engineered for one purpose: superior corrosion resistance in the most aggressive chemical environments on earth. Its high molybdenum content (15\u201317%) provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in oxidizing and reducing acids simultaneously \u2014 a capability no stainless steel or standard Inconel grade can match. The material of choice for chemical reactor internals, scrubbers, and FGD systems where mixed acid and chloride exposure is unavoidable.<\/div>\n            <div class=\"ngc-stat-grid\">\n              <div class=\"ngc-stat ngs-hast\"><div class=\"ngc-stat-val chast\">790 MPa<\/div><div class=\"ngc-stat-lbl\">Tensile Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-hast\"><div class=\"ngc-stat-val chast\">355 MPa<\/div><div class=\"ngc-stat-lbl\">Yield Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-hast\"><div class=\"ngc-stat-val chast\">to 1040\u00b0C<\/div><div class=\"ngc-stat-lbl\">Service Temp<\/div><\/div>\n              <div class=\"ngc-stat ngs-hast\"><div class=\"ngc-stat-val chast\">HRB 100<\/div><div class=\"ngc-stat-lbl\">Hardness<\/div><\/div>\n            <\/div>\n            <div class=\"ngc-uses\"><span class=\"ngc-use\">Reactor Internals<\/span><span class=\"ngc-use\">Scrubber Components<\/span><span class=\"ngc-use\">Acid Pump Parts<\/span><span class=\"ngc-use\">FGD Systems<\/span><span class=\"ngc-use\">Chemical Fittings<\/span><\/div>\n            <span class=\"ngc-link ngl-hast\">View Hastelloy C-276 Details<\/span>\n          <\/div>\n          <div class=\"ngc-right\">\n            <div class=\"ncomp-title\">Chemical Composition<\/div>\n            <table class=\"ncomp-table\">\n              <tr><td>Nickel (Ni)<\/td><td class=\"chast\">Balance (\u226557%)<\/td><\/tr>\n              <tr><td>Molybdenum (Mo)<\/td><td class=\"chast\">15.0\u201317.0%<\/td><\/tr>\n              <tr><td>Chromium (Cr)<\/td><td class=\"chast\">14.5\u201316.5%<\/td><\/tr>\n              <tr><td>Iron (Fe)<\/td><td class=\"chast\">4.0\u20137.0%<\/td><\/tr>\n              <tr><td>Tungsten (W)<\/td><td class=\"chast\">3.0\u20134.5%<\/td><\/tr>\n              <tr><td>Carbon (C) max<\/td><td class=\"chast\">0.01%<\/td><\/tr>\n            <\/table>\n            <div class=\"ncomp-title\">Key Properties<\/div>\n            <div class=\"ngc-props-list\">\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--hast);\"><\/span>Resists both oxidizing AND reducing acids \u2014 unique dual capability<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--hast);\"><\/span>Ultra-low carbon (0.01% max) \u2014 no carbide sensitization after welding<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--hast);\"><\/span>Outstanding chloride pitting and crevice corrosion resistance<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--hast);\"><\/span>Resists hydrochloric, sulfuric, nitric, hydrofluoric, and mixed acids<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--hast);\"><\/span>Harder to machine than IN625 \u2014 tungsten\/Mo phases accelerate tool wear<\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- Monel 400 -->\n      <div class=\"ngc ngc-monel\">\n        <div class=\"ngc-split\">\n          <div class=\"ngc-left\">\n            <div class=\"ngc-grade cmonel\">M400<\/div>\n            <div class=\"ngc-uns\">UNS N04400 \u00b7 ASTM B164 \/ B165 \u00b7 AMS 4574<\/div>\n            <div class=\"ngc-name\">Nickel-Copper Alloy \u2014 Seawater, Brine &amp; HF Acid Resistance<\/div>\n            <div class=\"ngc-desc\">The simplest and oldest commercial nickel alloy \u2014 approximately 67% Ni and 31% Cu. Monel 400 offers excellent corrosion resistance in seawater, brine, hydrofluoric acid, and alkaline environments at a lower cost and with significantly better machinability than Inconel or Hastelloy grades. It is not heat-treatable to high strength levels but is stronger than copper and significantly more corrosion resistant than stainless steel in marine environments. The standard material for marine pump shafts, impellers, propeller shafts, and HF acid handling equipment.<\/div>\n            <div class=\"ngc-stat-grid\">\n              <div class=\"ngc-stat ngs-monel\"><div class=\"ngc-stat-val cmonel\">550 MPa<\/div><div class=\"ngc-stat-lbl\">Tensile Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-monel\"><div class=\"ngc-stat-val cmonel\">240 MPa<\/div><div class=\"ngc-stat-lbl\">Yield Strength<\/div><\/div>\n              <div class=\"ngc-stat ngs-monel\"><div class=\"ngc-stat-val cmonel\">to 480\u00b0C<\/div><div class=\"ngc-stat-lbl\">Service Temp<\/div><\/div>\n              <div class=\"ngc-stat ngs-monel\"><div class=\"ngc-stat-val cmonel\">HRB 65\u201385<\/div><div class=\"ngc-stat-lbl\">Hardness<\/div><\/div>\n            <\/div>\n            <div class=\"ngc-uses\"><span class=\"ngc-use\">Marine Pump Shafts<\/span><span class=\"ngc-use\">Propeller Shafts<\/span><span class=\"ngc-use\">HF Acid Valves<\/span><span class=\"ngc-use\">Heat Exchanger Tubes<\/span><span class=\"ngc-use\">Brine Fittings<\/span><\/div>\n            <span class=\"ngc-link ngl-monel\">View Monel 400 Details<\/span>\n          <\/div>\n          <div class=\"ngc-right\">\n            <div class=\"ncomp-title\">Chemical Composition<\/div>\n            <table class=\"ncomp-table\">\n              <tr><td>Nickel + Cobalt<\/td><td class=\"cmonel\">\u226563% (min)<\/td><\/tr>\n              <tr><td>Copper (Cu)<\/td><td class=\"cmonel\">28.0\u201334.0%<\/td><\/tr>\n              <tr><td>Iron (Fe)<\/td><td class=\"cmonel\">2.5% max<\/td><\/tr>\n              <tr><td>Manganese (Mn)<\/td><td class=\"cmonel\">2.0% max<\/td><\/tr>\n              <tr><td>Silicon (Si) max<\/td><td class=\"cmonel\">0.50%<\/td><\/tr>\n              <tr><td>Carbon (C) max<\/td><td class=\"cmonel\">0.30%<\/td><\/tr>\n            <\/table>\n            <div class=\"ncomp-title\">Key Properties<\/div>\n            <div class=\"ngc-props-list\">\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--monel);\"><\/span>Excellent seawater and brine corrosion resistance \u2014 outperforms 316 SS<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--monel);\"><\/span>Exceptional HF (hydrofluoric) acid resistance \u2014 unique capability<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--monel);\"><\/span>Best machinability of the four alloys \u2014 closer to stainless than Inconel<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--monel);\"><\/span>Lower cost than Inconel \u2014 economical for large or high-volume parts<\/div>\n              <div class=\"ngc-prop\"><span class=\"ngc-dot\" style=\"background:var(--monel);\"><\/span>Not suitable for high-temperature service above 480 \u00b0C<\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <!-- Grade selection guide -->\n    <div style=\"margin-top:28px;\">\n      <div class=\"nsec-head\" style=\"margin-bottom:20px;\">\n        <div>\n          <div class=\"nlabel\">Grade Selection Guide<\/div>\n          <h2 class=\"nh2\">Choosing the Right <span style=\"color:var(--nkl-mid);\">Nickel Alloy<\/span><\/h2>\n        <\/div>\n      <\/div>\n      <div class=\"nwhen-grid\">\n        <div class=\"nwhen-card nwc-625\">\n          <div class=\"nwc-head\"><div class=\"nwc-ico\" style=\"background:var(--in625-dim);\">\ud83c\udf0a<\/div><span class=\"c625\">Choose Inconel 625 when\u2026<\/span><\/div>\n          <div class=\"nwc-list\">\n            <div class=\"nwc-item\"><span style=\"color:var(--in625);font-weight:700;\">\u2713<\/span>Seawater, subsea, or offshore environment<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in625);font-weight:700;\">\u2713<\/span>Cryogenic service (down to \u2212196 \u00b0C)<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in625);font-weight:700;\">\u2713<\/span>Weldability is important (piping, overlays)<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in625);font-weight:700;\">\u2713<\/span>Chemical process equipment in chloride environments<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in625);font-weight:700;\">\u2713<\/span>Moderate temperature service up to 982 \u00b0C<\/div>\n          <\/div>\n        <\/div>\n        <div class=\"nwhen-card nwc-718\">\n          <div class=\"nwc-head\"><div class=\"nwc-ico\" style=\"background:var(--in718-dim);\">\u2708<\/div><span class=\"c718\">Choose Inconel 718 when\u2026<\/span><\/div>\n          <div class=\"nwc-list\">\n            <div class=\"nwc-item\"><span style=\"color:var(--in718);font-weight:700;\">\u2713<\/span>Aerospace, turbine, or jet engine application<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in718);font-weight:700;\">\u2713<\/span>Maximum strength (up to 1380 MPa) required<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in718);font-weight:700;\">\u2713<\/span>High fatigue and creep resistance at temperature<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in718);font-weight:700;\">\u2713<\/span>Downhole oil &amp; gas tooling and wellhead components<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--in718);font-weight:700;\">\u2713<\/span>Space and rocket propulsion components<\/div>\n          <\/div>\n        <\/div>\n        <div class=\"nwhen-card nwc-hast\">\n          <div class=\"nwc-head\"><div class=\"nwc-ico\" style=\"background:var(--hast-dim);\">\u2697<\/div><span class=\"chast\">Choose Hastelloy C-276 when\u2026<\/span><\/div>\n          <div class=\"nwc-list\">\n            <div class=\"nwc-item\"><span style=\"color:var(--hast);font-weight:700;\">\u2713<\/span>Aggressive mixed acid environments (HCl + H\u2082SO\u2084)<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--hast);font-weight:700;\">\u2713<\/span>Chemical reactor internals and scrubber systems<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--hast);font-weight:700;\">\u2713<\/span>Both oxidizing AND reducing acid exposure simultaneously<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--hast);font-weight:700;\">\u2713<\/span>Flue gas desulfurization (FGD) components<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--hast);font-weight:700;\">\u2713<\/span>When IN625 corrosion resistance is insufficient<\/div>\n          <\/div>\n        <\/div>\n        <div class=\"nwhen-card nwc-monel\">\n          <div class=\"nwc-head\"><div class=\"nwc-ico\" style=\"background:var(--monel-dim);\">\u2693<\/div><span class=\"cmonel\">Choose Monel 400 when\u2026<\/span><\/div>\n          <div class=\"nwc-list\">\n            <div class=\"nwc-item\"><span style=\"color:var(--monel);font-weight:700;\">\u2713<\/span>Marine pump shafts, impellers, and propeller shafts<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--monel);font-weight:700;\">\u2713<\/span>HF (hydrofluoric) acid handling equipment<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--monel);font-weight:700;\">\u2713<\/span>Seawater and brine service at moderate temperatures<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--monel);font-weight:700;\">\u2713<\/span>Lower cost nickel alloy for larger or high-volume parts<\/div>\n            <div class=\"nwc-item\"><span style=\"color:var(--monel);font-weight:700;\">\u2713<\/span>Alkaline and caustic service environments<\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\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     3. COMPARISON TABLE\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=\"nsec nsec-light\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Material Comparison<\/div>\n        <h2 class=\"nh2\">Full Property Comparison \u2014 <span class=\"nblue\">All Four Grades<\/span><\/h2>\n      <\/div>\n    <\/div>\n    <div class=\"ncmp-wrap\">\n      <table class=\"ncmp-table\">\n        <thead>\n          <tr>\n            <th>Property<\/th>\n            <th>Inconel 625<\/th>\n            <th>Inconel 718<\/th>\n            <th>Hastelloy C-276<\/th>\n            <th>Monel 400<\/th>\n            <th>316L SS (ref)<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Base System<\/td>\n            <td>Ni-Cr-Mo-Nb<\/td>\n            <td>Ni-Cr-Mo-Nb (aged)<\/td>\n            <td>Ni-Mo-Cr-W<\/td>\n            <td>Ni-Cu<\/td>\n            <td>Fe-Cr-Ni-Mo<\/td>\n          <\/tr>\n          <tr>\n            <td>Tensile Strength<\/td>\n            <td><span class=\"badge-625\">930 MPa<\/span><\/td>\n            <td><span class=\"badge-718\">Up to 1380 MPa<\/span><\/td>\n            <td>790 MPa<\/td>\n            <td>550 MPa<\/td>\n            <td>~485\u2013690 MPa<\/td>\n          <\/tr>\n          <tr>\n            <td>Yield Strength<\/td>\n            <td>414 MPa<\/td>\n            <td><span class=\"badge-718\">Up to 1172 MPa<\/span><\/td>\n            <td>355 MPa<\/td>\n            <td>240 MPa<\/td>\n            <td>~170\u2013310 MPa<\/td>\n          <\/tr>\n          <tr>\n            <td>Max Service Temp.<\/td>\n            <td>982 \u00b0C<\/td>\n            <td>700 \u00b0C (mech.)<\/td>\n            <td><span class=\"badge-ok\">1040 \u00b0C<\/span><\/td>\n            <td>480 \u00b0C<\/td>\n            <td>~870 \u00b0C (ox.)<\/td>\n          <\/tr>\n          <tr>\n            <td>Seawater \/ Chloride<\/td>\n            <td><span class=\"badge-ok\">Excellent<\/span><\/td>\n            <td>Good<\/td>\n            <td><span class=\"badge-ok\">Excellent<\/span><\/td>\n            <td><span class=\"badge-ok\">Excellent<\/span><\/td>\n            <td><span class=\"badge-warn\">Moderate \u2014 pits<\/span><\/td>\n          <\/tr>\n          <tr>\n            <td>Mixed Acid Resistance<\/td>\n            <td>Good<\/td>\n            <td>Moderate<\/td>\n            <td><span class=\"badge-ok\">Best in class<\/span><\/td>\n            <td>Moderate<\/td>\n            <td>Poor in HCl<\/td>\n          <\/tr>\n          <tr>\n            <td>HF Acid Resistance<\/td>\n            <td>Good<\/td>\n            <td>Fair<\/td>\n            <td>Good<\/td>\n            <td><span class=\"badge-ok\">Excellent \u2014 unique<\/span><\/td>\n            <td>Poor<\/td>\n          <\/tr>\n          <tr>\n            <td>Precipitation Hardenable<\/td>\n            <td>No<\/td>\n            <td><span class=\"badge-718\">Yes \u2014 to 1380 MPa<\/span><\/td>\n            <td>No<\/td>\n            <td>No<\/td>\n            <td>No<\/td>\n          <\/tr>\n          <tr>\n            <td>Machinability (relative)<\/td>\n            <td>Moderate \u2014 15\u201320% of 316SS<\/td>\n            <td><span class=\"badge-warn\">Hardest \u2014 10\u201315% of 316SS<\/span><\/td>\n            <td>Moderate \u2014 15\u201320% of 316SS<\/td>\n            <td><span class=\"badge-ok\">Best \u2014 25\u201330% of 316SS<\/span><\/td>\n            <td>100% (reference)<\/td>\n          <\/tr>\n          <tr>\n            <td>Primary Application<\/td>\n            <td>Subsea, cryogenic, chemical<\/td>\n            <td>Aerospace, turbine, downhole<\/td>\n            <td>Chemical reactors, FGD, acids<\/td>\n            <td>Marine, HF acid, brine<\/td>\n            <td>General corrosion resistance<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\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     4. MACHINING NOTES\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=\"nsec nsec-white\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Machining Notes<\/div>\n        <h2 class=\"nh2\">Machining Nickel Alloys \u2014 <span style=\"color:var(--nkl-mid);\">What Engineers Need to Know<\/span><\/h2>\n      <\/div>\n    <\/div>\n    <div class=\"nmc-cols\">\n      <div class=\"nmc-box\">\n        <div class=\"nmc-head\"><div class=\"nmc-ico nmc-ico-red\">\u26a0<\/div>Challenges with Nickel Alloy Machining<\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-r\">!<\/span><div><strong>Extreme work-hardening \u2014 especially Inconel 718<\/strong>Nickel alloys work-harden rapidly under cutting forces. Any dwell, rubbing, or re-cutting of already machined surfaces creates a hard surface layer that damages the next cutting edge. Inconel 718 in aged condition has work-hardening rates comparable to austenitic stainless steel at its worst \u2014 requiring constant chip engagement.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-r\">!<\/span><div><strong>Heat concentration at the cutting edge<\/strong>Low thermal conductivity means heat generated at the tool tip cannot conduct away into the workpiece \u2014 concentrating it in the insert. This causes diffusion wear, notching, and chemical attack of the tool coating at a fraction of the cutting speeds used on steel.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-r\">!<\/span><div><strong>Abrasive hard phases in C-276 and IN718<\/strong>Hastelloy C-276 contains tungsten-rich and molybdenum-rich intermetallic phases significantly harder than the surrounding nickel matrix. Inconel 718 contains gamma-prime and gamma-double-prime precipitates. Both cause accelerated abrasive wear \u2014 carbide tools require very conservative cutting speeds and monitored tool life limits.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-r\">!<\/span><div><strong>Built-up edge and adhesion on tool rake faces<\/strong>Nickel is chemically reactive with most tool coatings at high temperature. At elevated cutting temperatures, nickel diffuses into carbide substrates and forms a built-up edge \u2014 degrading surface finish and causing unpredictable breakout. This makes flood coolant and high-pressure coolant mandatory, not optional.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-r\">!<\/span><div><strong>Springback and dimensional variation on thin walls<\/strong>High elastic modulus combined with work-hardening causes nickel alloy parts to spring back more than stainless after each cutting pass \u2014 thin walls and complex features require confirmation passes and adjusted programs relative to stainless steel toolpaths.<\/div><\/div>\n      <\/div>\n      <div class=\"nmc-box\">\n        <div class=\"nmc-head\"><div class=\"nmc-ico nmc-ico-teal\">\u2713<\/div>How We Address These Challenges<\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-teal\">\u2713<\/span><div><strong>Grade-specific tooling strategy for each alloy<\/strong>IN625 and C-276: PVD AlTiN-coated carbide (positive rake, sharp edge). IN718 roughing: SiAlON ceramic inserts (aggressive material removal at controlled speed). IN718 finishing: PCBN inserts for precise dimensional control. Monel 400: uncoated carbide or TiN-coated carbide to prevent built-up edge in the copper-rich matrix.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-teal\">\u2713<\/span><div><strong>High-pressure coolant at 70\u2013100 bar on every nickel alloy operation<\/strong>Flood coolant is insufficient for nickel alloys. High-pressure coolant (70\u2013100 bar) directed precisely at the cutting zone manages temperature, breaks chips, and flushes away nickel chips that would otherwise re-cut and damage the surface. Dramatically extends tool life and improves surface integrity.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-teal\">\u2713<\/span><div><strong>Continuous cutting \u2014 no dwell or re-cutting at any stage<\/strong>Programs are written with full chip engagement at all times. Tool retracts clear the machined surface before any pause. Corner radii and lead angles chosen to prevent notching at depth-of-cut line. No in-cut pauses regardless of program interruption requirements.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-teal\">\u2713<\/span><div><strong>Monitored tool life \u2014 inserts changed at intervals, not on failure<\/strong>Tool life in nickel alloy machining is managed by cutting time and number of passes \u2014 not by visual wear assessment. Inserts are changed at defined intervals before built-up edge or thermal damage occurs. This prevents the batch-to-batch surface quality variation caused by running worn tools.<\/div><\/div>\n        <div class=\"nmc-row\"><span class=\"nmc-dot-teal\">\u2713<\/span><div><strong>Machine state and age before post-machining heat treatment<\/strong>For IN718 aerospace parts: we machine in solution-treated (soft) condition to tolerance, then coordinate with the customer's heat treat facility or our approved sub-contractor for precipitation hardening (aging at 720 \u00b0C + 620 \u00b0C). Post-age dimensional verification confirms that aging distortion is within tolerance.<\/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     5. CAPABILITIES\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=\"nsec nsec-light\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Manufacturing Capability<\/div>\n        <h2 class=\"nh2\">How We Machine <span style=\"color:var(--nkl-mid);\">Nickel Alloy Parts<\/span><\/h2>\n      <\/div>\n    <\/div>\n    <div class=\"ncap-grid\">\n\n      <div class=\"ncap-card\">\n        <div class=\"ncc-img\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Swiss-CNC-Turning-scaled.webp\" alt=\"CNC Turning Inconel 625 718 Nickel Alloy Parts\"><\/div>\n        <div class=\"ncc-body\">\n          <div class=\"ncc-num\">PROCESS \/ 01<\/div>\n          <div class=\"ncc-title\">CNC Turning \u2014 Shafts, Flanges &amp; Nozzles<\/div>\n          <div class=\"ncc-desc\">Precision CNC turning of Inconel 625\/718, Hastelloy C-276, and Monel 400 shafts, flanges, nozzles, and rotational components. Grade-specific insert geometry and high-pressure coolant. Tolerances to \u00b10.01 mm on precision sealing diameters and bearing journals.<\/div>\n          <div class=\"ncc-tags\"><span class=\"ncct\">All 4 Grades<\/span><span class=\"ncct\">Shafts &amp; Flanges<\/span><span class=\"ncct\">Nozzles<\/span><span class=\"ncct\">HPCO<\/span><\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"ncap-card\">\n        <div class=\"ncc-img\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Custom-CNC-Milling.jpg\" alt=\"CNC Milling Hastelloy Inconel Complex Parts\"><\/div>\n        <div class=\"ncc-body\">\n          <div class=\"ncc-num\">PROCESS \/ 02<\/div>\n          <div class=\"ncc-title\">CNC Milling \u2014 Housings, Brackets &amp; Valve Bodies<\/div>\n          <div class=\"ncc-desc\">3-axis and 5-axis milling of complex nickel alloy housings, valve bodies, brackets, and structural components. Climb milling strategy to minimise work-hardening. Rigid setups and short tool stick-out mandatory for dimensional control.<\/div>\n          <div class=\"ncc-tags\"><span class=\"ncct\">5-Axis<\/span><span class=\"ncct\">Valve Bodies<\/span><span class=\"ncct\">Housings<\/span><span class=\"ncct\">Climb Milling<\/span><\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"ncap-card\">\n        <div class=\"ncc-img\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Rapid-Prototyping-1-scaled.webp\" alt=\"Nickel Alloy Prototype to Production Parts\"><\/div>\n        <div class=\"ncc-body\">\n          <div class=\"ncc-num\">PROCESS \/ 06<\/div>\n          <div class=\"ncc-title\">Prototype to Production Supply<\/div>\n          <div class=\"ncc-desc\">Single-piece prototypes through repeat production orders. Nickel alloy parts are expensive \u2014 we treat every piece as a prototype. Process is documented from first article and maintained through production runs to ensure quality consistency across all deliveries.<\/div>\n          <div class=\"ncc-tags\"><span class=\"ncct\">1 pc Prototype<\/span><span class=\"ncct\">FAI Reports<\/span><span class=\"ncct\">Production Supply<\/span><\/div>\n        <\/div>\n      <\/div>\n\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     6. TYPICAL PARTS\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=\"nsec nsec-white\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Application Gallery<\/div>\n        <h2 class=\"nh2\">Typical Nickel Alloy Parts <span style=\"color:var(--nkl-mid);\">We Produce<\/span><\/h2>\n      <\/div>\n    <\/div>\n    <div class=\"nparts-grid\">\n\n      <div class=\"npart-card\">\n        <div class=\"npc-img\">\n          <img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Subsea-Connectors.webp\" alt=\"Inconel 625 Subsea Connector Flange\">\n          <span class=\"npc-badge c625\">Inconel 625<\/span>\n        <\/div>\n        <div class=\"npc-body\">\n          <div class=\"npc-title\">Subsea Connectors &amp; Flanges<\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Material<\/span><span class=\"npc-v\">IN625 \u2014 ASTM B564, NACE MR0175<\/span><\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Process<\/span><span class=\"npc-v\">CNC Turning \u00b7 Boring \u00b7 Threading<\/span><\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Industry<\/span><span class=\"npc-v\">Subsea \u00b7 Offshore \u00b7 Oil &amp; Gas<\/span><\/div>\n        <\/div>\n      <\/div>\n\n      <div class=\"npart-card\">\n        <div class=\"npc-img\">\n          <img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Pin-Nails.webp\" alt=\"Inconel 718 Aerospace Turbine Disc\">\n          <span class=\"npc-badge c718\">Inconel 718<\/span>\n        <\/div>\n        <div class=\"npc-body\">\n          <div class=\"npc-title\">Aerospace Turbine &amp; Engine Parts<\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Material<\/span><span class=\"npc-v\">IN718 \u2014 AMS 5662\/5664, aged<\/span><\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Process<\/span><span class=\"npc-v\">5-Axis Milling \u00b7 PCBN Finish \u00b7 CMM<\/span><\/div>\n          <div class=\"npc-row\"><span class=\"npc-k\">Industry<\/span><span class=\"npc-v\">Aerospace \u00b7 Defence \u00b7 Space<\/span><\/div>\n        <\/div>\n      <\/div>\n\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     7. 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 -->\n<section class=\"nsec nsec-light\">\n  <div class=\"nwrap\">\n    <div style=\"text-align:center;margin-bottom:40px;\">\n      <div class=\"nlabel\" style=\"justify-content:center;\">Industries Served<\/div>\n      <h2 class=\"nh2\">Nickel Alloys for <span style=\"color:var(--nkl-mid);\">Extreme Environments<\/span><\/h2>\n    <\/div>\n    <div class=\"nind-row\">\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\u2708<\/div><div class=\"nim-name\">Aerospace<\/div><div class=\"nim-grade\">Inconel 718<\/div><\/div>\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\u26fd<\/div><div class=\"nim-name\">Oil &amp; Gas<\/div><div class=\"nim-grade\">IN625 \/ IN718<\/div><\/div>\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\u2697<\/div><div class=\"nim-name\">Chemical<\/div><div class=\"nim-grade\">Hastelloy C-276<\/div><\/div>\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\u2693<\/div><div class=\"nim-name\">Marine<\/div><div class=\"nim-grade\">Monel 400 \/ IN625<\/div><\/div>\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\ud83d\udd2c<\/div><div class=\"nim-name\">Pharmaceutical<\/div><div class=\"nim-grade\">C-276 \/ IN625<\/div><\/div>\n      <div class=\"nind-mini\"><div class=\"nim-icon\">\u26a1<\/div><div class=\"nim-name\">Power Gen.<\/div><div class=\"nim-grade\">IN625 \/ IN718<\/div><\/div>\n    <\/div>\n  <\/div>\n<\/section>\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     9. PROCESS FLOW\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=\"nsec nsec-light\">\n  <div class=\"nwrap\">\n    <div style=\"text-align:center;margin-bottom:48px;\">\n      <div class=\"nlabel\" style=\"justify-content:center;\">From Raw Billet to Finished Part<\/div>\n      <h2 class=\"nh2\">How We Produce <span style=\"color:var(--nkl-mid);\">Nickel Alloy Parts<\/span><\/h2>\n    <\/div>\n    <div class=\"nflow-strip\">\n      <div class=\"nflow-step\">\n        <div class=\"nfs-body\">\n          <div class=\"nfs-num\">STEP 01<\/div>\n          <div class=\"nfs-title\">Material &amp; Cert Verification<\/div>\n          <div class=\"nfs-desc\">IN625, IN718, C-276, or Monel 400 sourced with full MTR. Heat number, chemical composition, and mechanical properties verified before release. Grade-appropriate stock form selected.<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nflow-step\">\n        <div class=\"nfs-body\">\n          <div class=\"nfs-num\">STEP 02<\/div>\n          <div class=\"nfs-title\">Rough Machining<\/div>\n          <div class=\"nfs-desc\">Grade-specific tooling: ceramic inserts for IN718 roughing, AlTiN carbide for IN625\/C-276\/Monel. High-pressure coolant (70\u2013100 bar) from first cut. Continuous chip engagement \u2014 no dwell.<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nflow-step\">\n        <div class=\"nfs-body\">\n          <div class=\"nfs-num\">STEP 03<\/div>\n          <div class=\"nfs-title\">Finish Machining<\/div>\n          <div class=\"nfs-desc\">PCBN finishing on IN718, fresh carbide on IN625\/C-276\/Monel. Final dimensions, threads, sealing faces, and critical features completed with tool life monitoring and fresh inserts.<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nflow-step\">\n        <div class=\"nfs-body\">\n          <div class=\"nfs-num\">STEP 04<\/div>\n          <div class=\"nfs-title\">Secondary Ops &amp; Heat Treatment<\/div>\n          <div class=\"nfs-desc\">Threading, drilling, secondary milling. IN718 aerospace parts: precipitation aging per AMS 2774. Pressure testing for fluid-service parts. Surface treatment if specified.<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nflow-step\">\n        <div class=\"nfs-body\">\n          <div class=\"nfs-num\">STEP 05<\/div>\n          <div class=\"nfs-title\">Inspection &amp; Delivery<\/div>\n          <div class=\"nfs-desc\">CMM dimensional verification, surface finish, hardness. MTR, inspection report, pressure test record (where applicable), and heat traceability shipped with every order.<\/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     10. 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=\"nsec nsec-white\">\n  <div class=\"nwrap\">\n    <div class=\"nsec-head\">\n      <div>\n        <div class=\"nlabel\">Post-Processing<\/div>\n        <h2 class=\"nh2\">Surface Treatments for <span class=\"nteal\">Nickel Alloy Parts<\/span><\/h2>\n      <\/div>\n    <\/div>\n    <p style=\"font-size:14px;color:var(--text-2);line-height:1.75;max-width:720px;margin-bottom:32px;\">Nickel alloy parts are most commonly supplied as-machined \u2014 the alloy's inherent corrosion resistance is the primary functional requirement. When additional surface properties are needed, the following treatments are compatible with nickel-based alloys.<\/p>\n    <div class=\"nsf-grid\">\n      <div class=\"nsf-card\">\n        <div class=\"nsf-body\">\n          <div class=\"nsf-name\">Electropolishing<\/div>\n          <div class=\"nsf-desc\">Electrochemical material removal producing ultra-smooth (Ra \u2264 0.2 \u03bcm), highly passivated surfaces. Used on IN625 and C-276 chemical and pharmaceutical contact parts to eliminate micro-crevices and maximise corrosion resistance at weld HAZ and machined surfaces.<\/div>\n          <div class=\"nsf-tags\"><span class=\"nsft\">IN625<\/span><span class=\"nsft\">C-276<\/span><span class=\"nsft\">Pharma Grade<\/span><span class=\"nsft\">Ra \u2264 0.2 \u03bcm<\/span><\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nsf-card\">\n        <div class=\"nsf-body\">\n          <div class=\"nsf-name\">Passivation<\/div>\n          <div class=\"nsf-desc\">Nitric acid or citric acid passivation to remove free iron contamination from the machined surface and restore the native oxide protective layer. Specified for IN625, C-276, and Monel 400 parts after machining to maximize corrosion resistance and meet ASTM A967 or ASTM B912 requirements.<\/div>\n          <div class=\"nsft-tags\" style=\"display:flex;flex-wrap:wrap;gap:4px;margin-top:10px;\"><span class=\"nsft\">All Grades<\/span><span class=\"nsft\">ASTM A967<\/span><span class=\"nsft\">Citric \/ Nitric<\/span><\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nsf-card\">\n        <div class=\"nsf-body\">\n          <div class=\"nsf-name\">Shot Peening (IN718)<\/div>\n          <div class=\"nsf-desc\">Controlled shot peening introduces compressive residual stress into Inconel 718 aerospace and fatigue-critical parts \u2014 increasing fatigue life in cyclic loading applications. Specified per AMS 2430 or AMS 2432 for jet engine and aerospace structural components where fatigue life improvement is required.<\/div>\n          <div class=\"nsf-tags\" style=\"display:flex;flex-wrap:wrap;gap:4px;margin-top:10px;\"><span class=\"nsft\">IN718 Only<\/span><span class=\"nsft\">AMS 2430<\/span><span class=\"nsft\">Fatigue Life<\/span><\/div>\n        <\/div>\n      <\/div>\n      <div class=\"nsf-card\">\n        <div class=\"nsf-body\">\n          <div class=\"nsf-name\">Bead Blasting &amp; Polishing<\/div>\n          <div class=\"nsf-desc\">Controlled glass bead blasting for uniform matte finish and stress relief on machined surfaces. Mechanical polishing (Ra \u2264 0.4 \u03bcm) for sealing faces, bearing surfaces, and flow-critical internal bores where surface finish directly affects sealing performance or fluid flow.<\/div>\n          <div class=\"nsf-tags\" style=\"display:flex;flex-wrap:wrap;gap:4px;margin-top:10px;\"><span class=\"nsft\">All Grades<\/span><span class=\"nsft\">Sealing Faces<\/span><span class=\"nsft\">Flow Surfaces<\/span><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n<!-- METRICS BAR -->\n<div class=\"nmetrics\">\n  <div class=\"nmetric\"><div class=\"nmetric-val\">4<\/div><div class=\"nmetric-lbl\">Nickel Alloy Grades<\/div><\/div>\n  <div class=\"nmetric\"><div class=\"nmetric-val\">1380 <span class=\"nmetric-unit\">MPa<\/span><\/div><div class=\"nmetric-lbl\">IN718 Tensile Strength<\/div><\/div>\n  <div class=\"nmetric\"><div class=\"nmetric-val\">\u00b10.01<span class=\"nmetric-unit\">mm<\/span><\/div><div class=\"nmetric-lbl\">Precision Tolerance<\/div><\/div>\n  <div class=\"nmetric\"><div class=\"nmetric-val\">24<span class=\"nmetric-unit\">hr<\/span><\/div><div class=\"nmetric-lbl\">Quote Turnaround<\/div><\/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     11. 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=\"nsec nsec-white\">\n  <div class=\"nwrap\">\n    <div class=\"nwhy-layout\">\n      <div class=\"nwhy-img\">\n        <img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Technical-Specifications.jpg\" alt=\"Nickel Alloy CNC Machining Workshop Inconel Hastelloy Monel\">\n      <\/div>\n      <div>\n        <div class=\"nlabel\">Why Work With Us<\/div>\n        <h2 class=\"nh2\" style=\"margin-bottom:24px;\">Why Choose Us for <span style=\"color:var(--nkl-mid);\">Nickel Alloy Machining<\/span><\/h2>\n        <div class=\"nwhy-points\">\n          <div class=\"nwp-item\">\n            <div class=\"nwp-ico\">NKL<\/div>\n            <div>\n              <div class=\"nwp-title\">Four-Grade Nickel Alloy Capability \u2014 Not Just One<\/div>\n              <div class=\"nwp-desc\">IN625, IN718, Hastelloy C-276, and Monel 400 all machined in-house with grade-specific tooling strategies. We advise on grade selection before quoting \u2014 preventing costly material mistakes on expensive billet.<\/div>\n            <\/div>\n          <\/div>\n          <div class=\"nwp-item\">\n            <div class=\"nwp-ico\">HPQ<\/div>\n            <div>\n              <div class=\"nwp-title\">High-Pressure Coolant on Every Nickel Alloy Operation<\/div>\n              <div class=\"nwp-desc\">70\u2013100 bar directed coolant is standard on all nickel alloy jobs \u2014 not an upgrade. This is the single most important factor in managing tool life, surface integrity, and dimensional consistency in superalloy machining.<\/div>\n            <\/div>\n          <\/div>\n          <div class=\"nwp-item\">\n            <div class=\"nwp-ico\">718<\/div>\n            <div>\n              <div class=\"nwp-title\">Inconel 718 Post-Age Dimensional Verification<\/div>\n              <div class=\"nwp-desc\">We machine IN718 in solution-treated condition, coordinate age hardening, and verify post-age dimensions by CMM \u2014 confirming that aging distortion does not push features out of tolerance before shipment.<\/div>\n            <\/div>\n          <\/div>\n          <div class=\"nwp-item\">\n            <div class=\"nwp-ico\">MTR<\/div>\n            <div>\n              <div class=\"nwp-title\">Full Material Traceability \u2014 MTR, CMM Report, Heat Numbers<\/div>\n              <div class=\"nwp-desc\">Every nickel alloy order ships with complete material test report, heat number traceability, CMM dimensional inspection report, and pressure test records where applicable. No document chasing after delivery.<\/div>\n            <\/div>\n          <\/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     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=\"nsec nsec-light\">\n  <div class=\"nwrap\">\n    <div class=\"nfaq-layout\">\n      <div>\n        <div class=\"nlabel\">FAQ<\/div>\n        <h2 class=\"nh2\">Frequently Asked <span class=\"nblue\">Questions<\/span><\/h2>\n        <p style=\"font-size:14px;color:var(--text-2);line-height:1.75;margin-top:16px;\">Common questions about Inconel 625, Inconel 718, Hastelloy C-276, and Monel 400 \u2014 grade selection, machining challenges, tolerances, tooling, and material certification.<\/p>\n        <div style=\"margin-top:28px;display:flex;flex-direction:column;gap:10px;\">\n          <a href=\"#nquote\" class=\"nbtn nbtn-primary nbtn-sm\">Talk to an Engineer<\/a>\n          <a href=\"\/titanium-alloy-cnc-machining\/\" class=\"nbtn nbtn-outline nbtn-sm\">\u2190 Titanium Alloys<\/a>\n          <a href=\"\/stainless-steel-cnc-machining\/\" class=\"nbtn nbtn-outline nbtn-sm\">\u2190 Stainless Steel<\/a>\n        <\/div>\n      <\/div>\n\n      <div class=\"nfaq-list\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What are nickel-based superalloys and why are they difficult to machine?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Nickel-based superalloys (including Inconel 625, Inconel 718, Hastelloy C-276, and Monel 400) are high-performance alloys based on nickel as the primary element, engineered for extreme heat resistance, corrosion resistance, and mechanical strength at elevated temperatures. They are significantly more difficult to machine than stainless steel or titanium because they work-harden rapidly under cutting forces, have very low thermal conductivity that concentrates heat at the tool tip, and contain hard carbide and intermetallic phases that cause rapid abrasive tool wear. Cutting speeds for nickel alloys are typically 10\u201330% of those used for stainless steel.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What is the difference between Inconel 625 and Inconel 718?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Both are nickel-chromium superalloys but with different strengthening mechanisms and applications. Inconel 625 (UNS N06625) is solution-strengthened with niobium and molybdenum \u2014 it has outstanding corrosion resistance, excellent weldability, and good strength at high temperatures, but is not age-hardenable. Inconel 718 (UNS N07718) is precipitation-hardened by niobium and aluminum additions \u2014 it has significantly higher tensile strength (up to 1380 MPa in aged condition) and fatigue resistance, making it the dominant aerospace and turbine superalloy. Inconel 718 is harder to machine than 625 due to its higher strength and work-hardening tendency.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What is Hastelloy C-276 and when should I specify it over Inconel?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Hastelloy C-276 (UNS N10276) is a nickel-molybdenum-chromium alloy engineered specifically for maximum corrosion resistance in aggressive chemical environments. It offers superior resistance to oxidizing acids (nitric, chromic), reducing acids (hydrochloric, sulfuric), and mixed acid conditions \u2014 outperforming both Inconel 625 and stainless steel in many chemical service environments. Specify Hastelloy C-276 when the primary requirement is chemical corrosion resistance, especially in chloride-containing, acidic, or mixed oxidizing\/reducing environments. For high-temperature aerospace or turbine applications, Inconel 718 is the correct choice.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What is Monel 400 and what makes it different from other nickel alloys?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Monel 400 (UNS N04400) is a nickel-copper alloy (approximately 67% Ni, 31% Cu) \u2014 the simplest and oldest commercial nickel alloy. Unlike Inconel (nickel-chromium) and Hastelloy (nickel-molybdenum-chromium), Monel 400 derives its corrosion resistance primarily from the nickel-copper system. It has exceptional resistance to seawater and brine, hydrofluoric acid, and alkaline environments, and is the most machinable of the four alloys. Monel 400 is specified for marine hardware, pump shafts and impellers in seawater service, heat exchanger tubing, and chemical handling equipment \u2014 particularly where hydrofluoric acid resistance is required.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What tolerances can you hold on nickel alloy CNC machined parts?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Standard tolerance for nickel alloy CNC turning and milling is \u00b10.02 mm. For precision features (bores, shaft diameters, sealing faces), we hold \u00b10.010\u20130.015 mm. Note that nickel alloys spring back more than steel after cutting \u2014 particularly Inconel 718 \u2014 so final tolerances on tight-fit features require careful process control. CMM inspection reports are provided for all precision nickel alloy components. Tighter tolerances (\u00b10.005 mm) are achievable on selected features with process confirmation \u2014 please specify in your drawing.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">What tooling do you use for nickel alloy machining?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Nickel alloys require premium cutting tools not used on standard steel or aluminum jobs. We use coated carbide inserts (PVD TiAlN and AlTiN coatings) for general turning and milling, ceramic inserts (SiAlON and whisker-reinforced alumina) for high-speed roughing of Inconel 718, and PCBN (polycrystalline cubic boron nitride) for finishing cuts on hardened Inconel 718. High-pressure coolant (70\u2013100 bar) is directed at the cutting zone on all nickel alloy operations. Tool life is monitored and inserts are changed at defined intervals regardless of visible wear.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">Which nickel alloy should I choose for my application?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Use Inconel 625 for seawater, chemical, and cryogenic applications where corrosion resistance and weldability are primary requirements. Use Inconel 718 for aerospace, turbine, and high-temperature structural applications where maximum strength and fatigue resistance are required. Use Hastelloy C-276 for the most aggressive chemical environments \u2014 mixed acids, chloride solutions, and chemical reactors where Inconel 625 would corrode. Use Monel 400 for marine hardware, HF acid service, and applications where a lower-cost, easier-to-machine nickel alloy is acceptable. If unsure, share your operating temperature, fluid or chemical exposure, and mechanical load \u2014 we will recommend the correct grade before quoting.<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"nfaq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n          <button class=\"nfaq-q\" onclick=\"nfaq(this)\" itemprop=\"name\">Do you provide material certifications for nickel alloy parts?<span class=\"nfaq-icon\">+<\/span><\/button>\n          <div class=\"nfaq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n            <div itemprop=\"text\">Yes. All nickel alloy orders are supplied with material test reports (MTR) including chemical composition and mechanical properties per the relevant standard: ASTM B446 for Inconel 625, AMS 5662\/5664 or ASTM B637 for Inconel 718, ASTM B574 for Hastelloy C-276, and ASTM B164 for Monel 400. Heat number traceability is maintained throughout production. For aerospace and safety-critical applications, full first article inspection (FAI) reports and dimensional CMM reports are available on request.<\/div>\n          <\/div>\n        <\/div>\n\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<\/div><!-- end .NKL -->\n\n<script>\nfunction nfaq(btn){\n  var open = btn.classList.contains('nopen');\n  document.querySelectorAll('.NKL .nfaq-q').forEach(function(b){\n    b.classList.remove('nopen');\n    var a = b.nextElementSibling;\n    if(a) a.classList.remove('nopen');\n  });\n  if(!open){\n    btn.classList.add('nopen');\n    var a = btn.nextElementSibling;\n    if(a) a.classList.add('nopen');\n  }\n}\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26360c21 e-con-full nquote e-flex e-con e-parent\" data-id=\"26360c21\" data-element_type=\"container\" data-e-type=\"container\" id=\"nquote\">\n\t\t<div class=\"elementor-element elementor-element-1a101048 e-con-full e-flex e-con 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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-212c0990 e-con-full e-flex e-con e-child\" data-id=\"212c0990\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51c6c1dd elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"51c6c1dd\" data-element_type=\"widget\" data-e-type=\"widget\" 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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\/ Materials\/ Nickel-Based Alloys \u2014 Inconel 625 \/ 718 \u00b7 Hastelloy C-276 \u00b7 Monel 400 Nickel-Based Alloy CNC Machining Nickel AlloyCNC Machining Inconel 625 Inconel 718 Hastelloy C-276 Monel 400 Aerospace \u00b7 Chemical \u00b7 Marine Precision CNC machining of nickel-based superalloys for aerospace, chemical processing, oil &amp; gas, and marine applications demanding extreme temperature resistance, [&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-203","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>Nickel-Based Alloy CNC Machining | Inconel, Hastelloy | HXCNC<\/title>\n<meta name=\"description\" content=\"Precision CNC machining of nickel-based superalloys including Inconel 625, 718 and Hastelloy. 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