C73500 zinc Cupronickel

C73500 zinc white copper
Standard: ASTM b122-1990 (edition 1992 and 1993)
Chemical composition:
Copper + silver (Cu + Ag): 70.5 ~ 73.5
Lead Pb: ≥ 0.10
Iron Fe: ≥ 0.25
Zinc Zn: surplus
Nickel + cobalt (Ni + CO): 16.5 ~ 19.5
Manganese Mn: ≥ 0.50
C73500 zinc white copper has excellent comprehensive mechanical properties, excellent corrosion resistance, good cold and hot processing formability, and easy cutting. It can be made into wire, bar and plate, and used to manufacture precision parts in the fields of instruments, meters, medical devices, daily necessities and communications.