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Surface Finishing

Nickel Plating
Services

Electroless and electrolytic nickel plating delivering exceptional hardness, wear resistance, and perfectly uniform coverage for precision aerospace, medical, and industrial engineering components.

Nickel plated precision CNC machined components — HXCNC
ISO 9001:2015 MIL-C-26074 ASTM B733
Ni
Nickel — Element 28
1–75μm
Coating Thickness
550 HV
Max Hardness (as-plated)
±1μm
Thickness Uniformity
3–7 Days
Lead Time
Electroless vs. Electrolytic Nickel

We offer multiple nickel processes optimised for different performance requirements and part geometries.

Electroless Nickel (EN)

Autocatalytic process delivering perfectly uniform coating on complex geometries, blind holes, and deep recesses without a power source.

Uniform CoverageHigh HardnessNo Line-of-Sight

Bright Electrolytic Nickel

Mirror-bright decorative finish with excellent leveling properties, commonly used as undercoat for chrome or gold plating on precision components.

Mirror FinishDecorativeChrome Undercoat

Sulfamate Nickel

Low-stress process ideal for thick deposits, electroforming, and applications requiring excellent ductility and superior adhesion on sensitive substrates.

Low StressThick DepositsElectroforming
Nickel Plating Process Steps

Rigorous pre-treatment and process control ensure optimal adhesion and consistent coating quality across all substrate materials.

01

Surface Preparation

Ultrasonic cleaning, alkaline degreasing, acid activation, and electrolytic cleaning to achieve a chemically clean surface.

02

Strike Plating

Thin nickel strike layer applied to promote adhesion on stainless steel, copper alloys, and aluminum substrates.

03

Nickel Deposition

Controlled bath chemistry, temperature, and pH ensure uniform deposition rate and consistent coating properties throughout the entire batch.

04

Post-Treatment & QC

H.E. relief baking, XRF thickness measurement, hardness testing, and adhesion verification per applicable standards.

Process Specifications

Industry-leading process control delivering consistent nickel deposits to the tightest engineering specifications.

Electroless Nickel Parameters
Phosphorus Content6–12% (Mid / High P)
Thickness Range1 – 75 μm
As-Plated Hardness500–550 HV
After Heat Treatment900–1000 HV
Corrosion Resistance> 1000 hrs (NSS)
General Performance Data
StandardsASTM B733 / MIL-C-26074
SubstratesSteel, Al, Cu, Ti, SS
Max Operating TempUp to 180°C
Deposit Uniformity±1 μm
Max Part Size500 × 400 × 300 mm
Industry Applications

Nickel plating is specified in demanding engineering applications where hardness, wear resistance, and corrosion protection are critical.

✈️

Aerospace

Turbine components, landing gear parts, and structural elements requiring high hardness in extreme environments.

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Medical Devices

Surgical instruments, implant tooling, and diagnostic equipment requiring biocompatible, corrosion-resistant surfaces.

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Oil & Gas

Downhole tools, valve components, and pump parts requiring wear resistance in aggressive chemical environments.

Electronics

PCB connectors, semiconductor packaging, and EMI shielding components requiring uniform, solderable nickel layers.

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Automotive

Engine components, fuel system parts, and precision valves requiring dimensional stability and wear resistance.

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Mold & Die

Injection molds, stamping dies, and forming tools benefiting from nickel's hardness and excellent corrosion protection.

Key Advantages
Perfect Conformity on Complex Parts

Electroless nickel deposits uniformly on threads, blind holes, undercuts, and internal geometries impossible to reach by line-of-sight processes.

Extreme Hardness Options

Heat-treated high-phosphorus deposits reach 900–1000 HV, approaching hard chrome performance with better RoHS compliance.

Multiple Substrate Compatibility

Proven adhesion on steel, aluminum, copper alloys, titanium, stainless steel, and exotic alloys with tailored pre-treatment protocols.

Complete Quality Documentation

Full batch traceability with XRF reports, hardness data, H.E. relief records, and salt spray test certificates on every order.

Frequently Asked Questions

Everything you need to know before ordering nickel plating. Can't find your answer? Contact our team →

Electroless nickel (EN) uses a chemical autocatalytic reaction without electricity, producing a perfectly uniform deposit regardless of part geometry. Electrolytic nickel uses an electric current and delivers a brighter, decorative finish but with less uniform coverage on complex 3D shapes. EN is preferred for engineering parts requiring dimensional precision; electrolytic nickel is used for decorative and undercoat applications.
As-plated high-phosphorus EN delivers 500–550 HV. After heat treatment at 300–400°C for 1 hour, hardness increases to 900–1000 HV, making it a viable and RoHS-compliant alternative to hard chrome plating for many wear applications.
Yes — this is EN's greatest engineering advantage. Because deposition is entirely chemical (autocatalytic), coating reaches every wetted surface including deep blind holes, internal bores, threads, and complex recesses that are impossible for line-of-sight electroplating processes.
Carbon steel, alloy steel, cast iron, aluminum alloys, copper alloys, titanium, and stainless steel are all compatible with appropriate pre-treatment. A nickel strike is required on stainless steel and some aluminum alloys to ensure optimal adhesion. Please specify your substrate material when requesting a quote.
Yes. Electroless nickel provides excellent deposit uniformity within ±1 μm batch consistency. For precision bore fits and ground surfaces, we coordinate the plating allowance with pre-plate machining to achieve the required post-plate finished dimensions.
Yes. All our nickel plating processes are free from regulated heavy metals including lead, cadmium, and hexavalent chromium. Full compliance documentation is available on request.
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Send Your Drawing.
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Every enquiry includes a DFM review — tolerance feasibility, material confirmation, and process approach confirmed before production starts. MOQ 1 piece.

24hr
Quote Response
MOQ 1
Prototypes OK
ISO
9001:2015
📐
DFM Review on Every Enquiry
Tolerance feasibility, fixturing strategy, and material confirmation. Specific, actionable feedback — not generic pushback.
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First Article Inspection — Standard
FAI report on every new run. Material certs and surface treatment certs included with every shipment.
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Same Process: Prototype to Production
Process plan from your prototype applies to production batches. No re-qualification when you scale.
3 / 4 / 5-Axis CNC + Turning
Complex structural parts, shafts, housings, and transmission components. Metals and engineering plastics.
ISO 9001:2015 3/4/5-Axis Milling CNC Turning CMM Inspection Global Delivery