Jan 23 2013
UNS C87845 copper-silicon-brass has a copper content of not less than 75%.
The following table shows the mechanical properties of UNS C87845 sand cast alloy as a function of heat treatment.
Temper |
Tensile Str. |
Elong. |
M01 |
128 MPa (18 ksi) |
38% |
The chemical composition of UNS C87845 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
75 - 78 |
Silicon, Si |
2.5-2.9 |
Nickel, Ni |
0.2 |
Tin, Sn |
0.1 |
Iron, Fe |
0.1 |
Manganese, Mn |
0.1 |
Aluminum, Al |
0.09 |
Arsenic, As |
0.015 |
Antimony, Sb |
0.015 |
Chromium, Cr |
0.015 |
Phosphorous, P |
0.03-0.006 |
Lead, Pb |
0.02 |
Zinc, Zn |
Remainder |