Jan 28 2013
Bearing bronze UNS C93700 has a copper content of not less than 78%.
The following table shows the mechanical properties of UNS C93700 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Shear Str. |
Fatigue Str. |
| M01 |
207MPa (30ksi) |
83MPa (12ksi) |
15% |
- |
- |
|
241MPa (35ksi) |
124MPa (18ksi) |
20% |
124MPa (18ksi) |
90MPa (13ksi) |
Equivalent materials to UNS C93700 copper alloy are the following:
- ASTM B30
- ASTM B505
- ASTM B584
- ASTM B763
- QQ C390
- SAE J461
- SAE J462
The chemical composition of UNS C93700 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
78-82 |
| Tin, Sn |
9-11 |
| Lead, Pb |
8-11 |
| Zinc, Zn |
0.8 |
| Iron, Fe |
0.7 |
| Nickel, Ni |
0.5 |
| Antimony, Sb |
0.5 |
| Phosphorous, P |
0.1 |
| Sulfur, S |
0.08 |
| Silicon, Si |
0.005 |
| Aluminum, Al |
0.005 |