Zinc-Copper Nickel Cu7730

Introduction
Utilized in the joints and gears of machinery, antomatic industries, and steel-furniture industries. It is suitable for surface corrosion resistance for cast steel, cast iron, copper-alloy and nickel-alloy, as well as the joining welding of cast iron.

   GB 9460  BS EN14640  AWS A5.8
   (CuNi10)  (CuZn40Ni10)  (RBCuZn-D)
 Cu  46.0-50.0  46.0-50.0  46.0-50.0
 Al  ！  ！  0.01
 Fe  ！  ！  ！
 Mn  ！  ！  ！
 Ni  9.0-11.0  9.0-11.0  9.0-11.0
 P  ＋0.25  ！  0.25
 Pb  ！  0.03  0.05
 Si  ＋0.25  0.2  0.04-0.25
 Sn  ！  0.8-1.1  ！
 Zn  Balance  Balance  Balance
Other    ＋0.50  ＋0.50  ＋0.50