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 |