Corrosion-resistant high-strength copper based alloy having excellent blankability

摘要

A copper based alloy consists essentially, by weight %, of 15 to 35 % Zn, 7 to 14 % Ni, 0.1 to 2 % or less Mn, 0.01 to 0.5 % Fe, 0.0005 to 0.1 % P, at least one or two elements selected from the group consisting of 0.001 to 0.9 % Si, 0.0003 to 0.02 % Pb, and 0.0003 to 0.01 % C, the total content of the selected at least two elements being limited to a range of 0.0006 to 0.9 %, and the balance of Cu and inevitable impurities. The copper based alloy has excellent blankability as well as good corrosion resistance and high strength.