Corrosion-Resistant Nickel Coated Copper Bars

Short Description:

Product Specifications
Name： Nickel-Plated Copper Busbar
Standard： ASTM B152 / B187 (Copper Base), ASTM B689 (Nickel Electroplating), RoHS Compliant, REACH Compliant
Material： C11000 / T2 Pure Copper with Electrolytic Nickel Plating (5-20μm thickness)
Surface： Bright Nickel Finish, Uniform Plating, Optional Matte or Selective Plating
Width： 10mm – 300mm
Thickness： 1mm – 20mm
Length： 1000mm – 6000mm (custom cut-to-length available)
Product Features: Superior electrical conductivity close to pure copper · Excellent corrosion and oxidation resistance · Improved solderability and weldability · High mechanical strength and flexibility · Low contact resistance · Enhanced durability in harsh environments · Uniform plating for consistent performance
Application Field: Electric vehicle battery packs and connections, Power distribution and switchgear, Renewable energy systems (solar/wind inverters), Electrical grounding and bonding, Bus duct systems, Electronics and PCB assemblies, Automotive electrical systems, Industrial control panels, High-current transmission

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Nickel-Plated Copper Busbar – Process & Quality Assurance Statement
Our nickel-plated copper busbars are designed to combine the outstanding conductivity of pure copper with the protective benefits of nickel plating, making them ideal for high-performance electrical applications.

Key process features

The production process ensures strong adhesion and uniform coverage:
●Base Material Preparation: High-purity copper is hot-rolled or extruded into precise flat bars with controlled grain structure.
●Surface Cleaning: Multi-stage chemical cleaning and activation removes oxides and prepares the copper for plating.
●Electroplating: Electrolytic nickel deposition in controlled baths achieves consistent thickness and bright finish.
●Rinsing & Drying: Thorough rinsing prevents residue, followed by controlled drying to avoid defects.
●Precision Cutting: Bars are sheared or sawn to exact lengths with clean edges.
●Final Treatment: Optional passivation or anti-tarnish coating applied for extended shelf life.
●Packaging: Protective wrapping and secure bundling prevent damage and plating scratches during transit.

Quality control system

● Full traceability from copper coil lot to finished plated bar
● Test reports and plating thickness certificates provided with each batch
● Sample retention ≥3 years for third-party verification (SGS, BV, TÜV, etc.)
● 100% inspection of key parameters:
• Base copper purity and conductivity (electrical resistivity testing)
• Plating thickness (X-ray fluorescence or microscopic measurement; typical 5-20μm)
• Adhesion testing (bend and thermal shock tests)
• Dimensional accuracy (digital calipers and CMM; typical tolerance ±0.1mm on thickness)
• Surface quality (visual and magnified inspection for uniformity)
● Internal standards exceed ASTM B689 requirements. Typical performance: Conductivity >95% IACS, Excellent resistance to corrosion and thermal cycling, Strong plating bond with no peeling under stress.
● ISO 9001:2015 certified facility ensures every nickel-plated copper busbar delivers reliable, long-lasting electrical performance you can count on.