Jan 31 2013
UNS C90900 has a copper content of not less than 86%.
The following table shows the mechanical properties of UNS C90900 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
| M01 |
276MPa (40ksi) |
138MPa (20ksi) |
15% |
The chemical composition of UNS C90900 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
86-89 |
| Tin, Sn |
12-14 |
| Nickel, Ni |
0.5 |
| Lead, Pb |
0.25 |
| Zinc, Zn |
0.25 |
| Antimony, Sb |
0.2 |
| Iron, Fe |
0.15 |
| Phosphorus, P |
0.05 |
| Sulfur, S |
0.05 |
| Aluminum, Al |
0.005 |
| Silicon, Si |
0.005 |