Nov 13 2012
Copper-nickel UNS C70400 has a copper content of not less than 92.4%.
Tabulated below are the mechanical properties of UNS C70400 tubes as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| H55 |
331MPa (48ksi) |
248MPa (36ksi) |
18% |
- |
- |
67 |
- |
| OS025 |
283MPa (41ksi) |
97MPa (14ksi) |
46% |
- |
- |
58 |
- |
The chemical composition of UNS C70400 copper alloy is outlined in the following table.
| Elements |
Content (%) |
| Nickel, Ni |
4.8-6.2 |
| Iron, Fe |
1.3-1.7 |
| Zinc, Zn |
1.0 |
| Manganese, Mn |
0.30-0.8 |
| Lead, Pb |
0.05 |
| Copper, Cu |
Remainder |
Equivalent materials to UNS C70400 copper alloy are given in the table below.
| ASME SB111 |
ASME SB359 |
ASME SB395 |
ASME SB466 |
ASTM B466 |
| ASME SB543 |
ASTM B111 |
ASTM B359 |
ASTM B395 |
ASTM B543 |
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