Jan 28 2013
Copper UNS C90700 has a copper content of not less than 88%.
The following table shows the mechanical properties of UNS C90700 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Fatigue Str. |
| M01 |
241MPa (35ksi) |
117MPa (17ksi) |
10% |
- |
|
303MPa (44ksi) |
152MPa (22ksi) |
20% |
172MPa(25ksi) |
Equivalent materials to UNS C90700 copper alloy are the following:
- ASTM B30
- ASTM B427
- ASTM B505
- QQ C390
- SAE J461
- SAE J462
The chemical composition of UNS C90700 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
88-90 |
| Tin, Sn |
10-12 |
| Zinc, Zn |
0.5 |
| Nickel, Ni |
0.5 |
| Lead, Pb |
0.5 |
| Phosphorous, P |
0.3 |
| Antimony, Sb |
0.2 |
| Iron, Fe |
0.15 |
| Sulfur, S |
0.05 |
| Silicon, Si |
0.005 |
| Aluminum, Al |
0.005 |