... Surface bright, no burr.. Name: Copper nickel wire,Greman silver,nickel wire,white copper wireNumber: BZn25-18,BZn22-18, ... dimensional tolerances can be controlled within 2 wire;High-strength high-elastic easy welding;Wear silk ... ;4.CuCrZr:C18150,C18200, C15000;5.White-Copper(copper-nickel):BZn10-25,BZn12-25,BZn15-20,BZn18 ... &hardness,good wear resistance;10. Silver-copper Alloy Copper nickel wire