Jan 14 2013
Copper UNS C89831 has a copper content of not less than 87%.
The following table shows the mechanical properties of UNS C89831 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
| M01 |
237MPa (34ksi) |
105MPa (15ksi) |
20% |
The chemical composition of UNS C89831 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
87-91 |
| Tin, Sn |
2.7-3.7 |
| Bismuth, Bi |
2.7-3.7 |
| Zinc, Zn |
2-4 |
| Nickel, Ni |
1 |
| Iron, Fe |
0.3 |
| Lead, Pb |
0.1 |
| Antimony, Sb |
0.25 |
| Sulfur, S |
0.08 |
| Phosphorous, P |
0.05 |
| Silicon, Si |
0.005 |
| Aluminum, Al |
0.005 |