Germany Standard Gun Metal Alloys

Germany Standard Gun Metal Alloys

Copper Alloys CU SN PB ZN FE NI P AL MN SI SB S Impurties
Gun Metal 1705
G-CuSn2ZnPb 80-85 1.5-3 4-6 7-9 0.3 1.5-2.5 0.03 0.01 0.1 0.01 0.25 0.06
G-CuSn5ZnPb 83.5-86 4.3-6 4-6 4.5-6.5 0.2 2.3 0.03 0.01 0.1 0.01 0.25 0.06
G-CuSn6ZnPb 83.5-87 5.8-7 2.5-4 1.5-3 0.2 1.5-2.5 0.03 0.01 0.1 0.01 0.3 0.06
G-CuSn7ZnPb 81-84.5 6.3-8 5.3-7 3.3-5 0.2 1.8 0.03 0.01 0.1 0.01 0.25 0.06
RG – 2 83 2 8 5
RG – 4 92 – 94 3-5 1-2 2
RG – 5 84 – 86 4-6 4-6 4-6 0.2 2 0.03 0.01 0.1 0.01 0.25 0.06
RG – 6 85 6 2 3 1
RG – 7 83-85 6-8 3-5 3-5
RG – A 81 -87 5-8 4-6 7