Jan 9 2013
UNS C72700 copper alloy has a copper content of not less than 84.8%.
The following table shows the mechanical properties of UNS C72700 flat products as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
| TB00 |
0.3 mm (0.012 in) |
455 MPa (66 ksi) |
200 MPa (29 ksi) |
36% |
| TS08 |
- |
1117 MPa (162 ksi) |
- |
3% |
| TS12 |
- |
1138 MPa (165 ksi) |
- |
2% |
The chemical composition of UNS C72700 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Nickel, Ni |
8.5-9.5 |
| Tin, Sn |
5.5-6.5 |
| Magnesium, Mg |
0.15 |
| Iron, Fe |
0.5 |
| Zinc, Zn |
0.5 |
| Niobium, Nb |
0.1 |
| Manganese, Mn |
0.05-.030 |
| Lead, Pb |
0.02 |
| Copper, Cu |
Remainder |
Equivalent material to UNS C72700 copper alloy is ASTM B740.