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 |