Selection Guide
Copper Strip Specification Guide for Terminals, Connectors and Battery Parts
Learn how to specify copper strip by grade, thickness, width, temper, plating, burr, conductivity, packaging and inspection requirements.
Who This Guide Is For
Connector manufacturers, stamping suppliers, battery pack manufacturers, and procurement teams.
Quick Summary
Copper strip purchasing should define the mechanical, electrical, surface, and processing requirements together. Thickness and width alone are not enough for stable stamping, forming, welding, or connector performance.
Select copper grade and temper
Copper grade and temper determine conductivity, formability, spring behavior, and stamping performance. The same nominal size can behave very differently in soft, half-hard, and hard temper.
- Use soft temper for forming and bending
- Use harder temper when dimensional stability or spring force is important
- Confirm conductivity requirements for current-carrying parts
- Ask for COA and batch traceability for critical applications
Control thickness, width and burr
Precision strip parts are sensitive to thickness tolerance, slit edge quality, and burr direction. Burr can affect stamping, insulation clearance, contact reliability, and battery safety.
- Specify thickness and width tolerances
- Define burr limit and measurement method
- Confirm edge condition for stamping or welding
- Use drawings where possible
Decide whether plating is required
Tin, nickel, or other plating may improve solderability, contact stability, corrosion resistance, or welding behavior. Plating also adds inspection requirements and cost.
- Bare copper is suitable for protected internal parts
- Tin plating helps solderability and terminal storage stability
- Nickel plating can help selected battery and corrosion applications
- Specify plating thickness, adhesion, and surface requirements
Specify packaging for downstream yield
Coil ID, OD, winding, weight, interleaving, and surface protection can affect stamping line uptime and material handling.
- Define coil weight and ID/OD
- Specify traverse or pancake winding if needed
- Ask for anti-oxidation packaging where storage time is long
- Confirm label and traceability fields
FAQ
What information is needed for a copper strip quote?
Provide material grade, thickness, width, temper, surface or plating, annual demand, packaging, drawing, and target application.
What causes stamping issues with copper strip?
Common causes include wrong temper, inconsistent thickness, excessive burr, poor edge condition, surface contamination, or unsuitable coil packaging.
Can Raytron supply tin plated copper strip?
Yes. Raytron supplies bare and plated copper strip for terminals, connectors, battery parts, electronics, and industrial assemblies.