Dec 3 2012
UNS C72900 has a copper content of not less than 77%.
The following table shows the mechanical properties of UNS C72900 tube as a function of heat treatment.
| Temper |
Tensile Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| TF00 |
1062MPa (154ksi) |
7% |
- |
32 |
- |
- |
Equivalent material to UNS C72900 copper alloy is ASTM B740.
The chemical composition of UNS C72900 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Nickel, Ni |
14.5-15.5 |
| Tin, Sn |
7.5-8.5 |
| Iron, Fe |
0.5 |
| Zinc, Zn |
0.5 |
| Manganese, Mn |
0.3 |
| Magnesium, Mg |
0.15 |
| Niobium, Nb |
0.1 |
| Lead, Pb |
0.02 |
| Copper, Cu |
Remainder |