... <100PPM;4.CuCrZr:C18150,C18200, C15000;5.White-Copper(copper-nickel):BZn10-25,BZn12-25,BZn15-20,BZn18-20,BZn22-18 ... , elastic, high strength.For glasses fittings, rivets, battery, fasteners, springs, wire electrode.C27400CuZn37C2720H63C27000CuZn36C2700H65C26800CuZn30-H68C26000CuZn30C2600H70C24000CuZn20C2400H80C23000CuZn15C2300H85C22000CuZn10C2200H90 Copper ...