Copper-Tin Alloys: Copper-Tin Alloy Wire/ Nickel Plated Copper Tin Alloy (CuSn/ NPCuSn)

Material Description

CuSn Alloy/NPCuSn Wire- Pure Electrolytic Copper-Tin Alloy wire uniformly bare or coated with Nickel by electrolytic plating method. Bare Wire is used in the Outer Lead part of LEAD-IN-WIRES of FTL, Auto and other lamps and Nickel plated Copper tin alloy wire is used for inner lead part in lead-in-wires for of GLS, FTL, auto, SVL, MVL and other lamps.

Thickness of the Nickel Layer

Nickel plating is available in weight % or in micron thickness.

1. 2-4% by weight or minimum of 2 % by weight in thickness, which is used in lead wires.
2. Higher Nickel plating thickness (like 4% and 8% Thickness) is also manufactured as per customer requirement. The nickel coating has uniform adhesion over the full length of the core wire.

Nominal Composition

Mechanical Properties: Annealed or Soft Wire

Available Dimensions

The ovalness (the difference between the largest and smallest diameter in a section) is less than half the tolerance in the diameter.

Packaging

Depending upon customer’s requirement, wire is available on DIN 160, DIN 200, DIN 250 or equivalent spools, Plastic Drums, Paper Drums . Thicker size wires are available in coils or on cardboard rings. Each spool of wire is individually shrink-packaged and put in a cardboard box for maximum protection against oxidation. It is advisable to use the wire within six months from the date of manufacturing for best performance.