Dec 14 2012
Copper-nickel UNS C70400 has a copper content of not less than 92.4%.
Tabulated below are the mechanical properties of UNS C70400 strips as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| H01 |
352MPa (51ksi) |
- |
21% |
54 |
- |
- |
57 |
| H02 |
393MPa (57ksi) |
- |
11% |
67 |
- |
- |
65 |
| H04 |
441MPa (64ksi) |
- |
5% |
72 |
- |
- |
68 |
| H06 |
483MPa (70ksi) |
- |
3% |
75 |
- |
- |
69 |
| H08 |
531MPa (77ksi) |
- |
2% |
76 |
- |
- |
70 |
| O61 |
262MPa (38ksi) |
83MPa (12ksi) |
41% |
8 |
- |
- |
- |
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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