Metal Plating Services for Fabricated & Machined Parts
SR MFG provides one-stop metal plating support for sheet metal and machined parts, covering finish selection, supplier coordination, inspection, and documentation.
Depending on your application, we can help specify plating type, coating thickness, adhesion requirements, corrosion testing, and acceptance criteria before production.
Applications of Metal Plating
Metal plating is used across a wide range of industries to improve performance,protect against corrosion, enhance conductivity, and achieve the desired appearance.
Automotive
Components
Chassis brackets, battery terminals, shafts, fasteners, charging interfaces, and trim parts requiring corrosion protection or conductivity.
Electronics &
Telecom Equipment
Connectors, switches, PCB hardware, RF components, base-station parts, and conductive contact surfaces.
Aerospace &
Precision Hardware
Fasteners, brackets, landing gear hardware, sensors, antennas, and precision parts requiring reliable coating performance.
Medical &
Instrument Parts
Surgical tools, tweezers, clamps, handles, and precision components requiring clean appearance and controlled surface performance.
Construction &
Architectural Hardware
Door and window hardware, railings, handrails, curtain wall accessories, decorative metal parts, and corrosion-resistant fixtures.
Final plating selection depends on substrate material, part geometry, required performance, appearance grade, corrosion target, and inspection standard.
What Problems Does Metal Plating Solve?
Corrosion &
Rust Risk
Adds protective metal layer to slow oxidation and improve corrosion resistance in humid, outdoor, or chemically exposed environments.
Wear &
Surface Damage
Surface Damage
Improves surface durability for parts exposed to friction, repeated handling, sliding contact, or mechanical wear.
Conductivity &
Contact Performance
Contact Performance
Supports electrical conductivity, solderability, and stable contact performance for terminals, connectors, and circuit-related hardware.
Appearance &
Decorative Finish
Creates metallic brightness,reflectivity, color tone, andcosmetic consistency for visibleor customer-facing parts.
The right plating solution depends on substrate material, exposure environment, coating thickness, appearance grade, and inspection requirements.
Common Metal Plating Types
Plating includes many processes-such as copper, gold, silver, nickel, chrome, and zinc plating.
In manufacturing, the most widely used are zinc plating, nickel plating, and chrome plating.
Below is an overview of these three and how they differ.
Zinc Plating
- Cost-effective corrosion protection
- Widely used for fasteners and brackets
- Usually silver-white or yellowish finish
Typical applications:
Screws and fasteners, metal brackets, structural parts, general industrial hardware.
Nickel Plating
- Good wear and corrosion resistance
- Attractive finish with decorative potential
- Stable base layer for multi-layer plating
Typical applications:
Electronics parts, connectors, lamp caps, medical devices, and precision hardware.
Chrome Plating
- Bright, mirror-like decorative appearance
- High surface hardness and wear resistance
- Better rust protection than zinc plating
Typical applications:
Decorative trims, appliance parts, tools, faucets, and sanitary hardware.
Key Differences at a Glance
| Item | Zinc Plating | Nickel Plating | Chrome Plating |
|---|---|---|---|
| Primary purpose | Basic rust protection + low-cost |
Wear resistance, corrosion protection, rust prevention |
High hardness, mirror-like finish, long-term protection |
| Process type | Electroplating | Electroplating / Electroless plating | Electroplating |
| Relative cost | Lowest | Medium | Highest |
| Corrosion resistance | Moderate (poor acid resistance) | Good | Excellent (good chemical stability) |
| Appearance | Silver-white or yellowish | Silver or slightly warm tone | Bright, mirror-like silver |
| Typical uses | Steel structures, general-purpose hardware |
Electronics parts, medical devices, hardware |
Automotive trim, molds, sanitary hardware |
Note: Visual color alone can be misleading. As a rough reference, chrome tends to look brighter / “colder” white, nickel may look slightly warmer, and zinc often appears silver-white—but actual appearance varies by process, passivation, and specification.
SR MFG Managed Outsourced Plating Delivery
SR MFG manages outsourced plating as part of a controlled finishing program-covering engineering review,supplier coordination.
inspection, documentation, and delivery follow-up. You work with SR MFG only. We handle the rest.
Single Point of Contact
You work with SR MFG only. We coordinate fabrication, plating, inspection, documentation, and logistics.
Engineering Review
Before Plating
We review drawings, coating requirements, masking areas, contact surfaces, and acceptance criteria before production.
Supplier & Schedule
Coordination
We select qualified plating partners, align process windows, and monitor schedule, quality, and delivery consistency.
Inspection &
Documentation Control
We manage incoming/outgoing inspection, required test records, lot traceability, and shipment documentation.
Managed Delivery Workflow
RFQ Requirement Alignment
Confirm material, plating type, thickness, cosmetic grade, masking areas, corrosion requirements, and documents.
Engineering Package Preparation
Prepare masking map, racking notes, inspection plan, acceptance criteria, and report requirements.
Sample Validation
Confirm appearance, coating thickness, sealing or corrosion requirements, and approved sample baseline.
Production Follow-Up
Monitor production, in-process sampling, incoming/outgoing inspection, and lot traceability.
Final Delivery & Documentation
Ship with required documents, inspection records, CoC, and traceability information when required.
Responsibility Boundaries (Who Owns What)
SR MFG Responsibilities
Engineering review, supplier coordination, process control follow-up, inspection, documentation, traceability, and delivery management.
Plating Partner Responsibilities
Execute pretreatment, plating, post-treatment, rinsing, drying, and process records according to the agreed specification.
Customer Responsibilities
Provide drawings, material requirements, coating specifications, cosmetic standards, acceptance criteria, and approved samples when required.
Note:
The actual process and responsibilities may vary based on part complexity, coating system, industry standard, and customer requirements.
Quality. Communication. Accountability. That’s the SR MFG way.
Industries & Metal Electroplating Applications
SR MFG provides professional electroplating services for OEM metal components used in industrial equipment, electronics, automotive, hardware, and precision assemblies. Electroplating deposits a thin, uniform metallic layer onto conductive substrates, enhancing corrosion resistance, surface hardness, electrical conductivity, and decorative appearance. We support both prototype finishing and high-volume production across multiple application sectors.
