Alloys of Copper
Among the many alloys of copper are the following:
5 to 40 per cent zinc, with or without small amounts of other metals such as tin.
An alloy of copper that often contains tin and that may also contain phosphorus, lead, nickel, aluminum, iron, or manganese.
88 per cent copper, 8 per cent tin, and 4 per cent zinc.
60 to 85 per cent copper, with the remainder tin.
75 per cent copper and 25 per cent nickel.
formerly called German Silver 55 to 65 per cent copper, with the remainder nickel and zinc in various proportions.
25 to 35 per cent copper, 60 to 70 per cent nickel, and 1 to 6 per cent iron.
7.5 per cent copper and 92.5 per cent silver.