Dec 18 2012
UNS C67420 has a copper content of not less than 57%.
The following table shows the mechanical properties of UNS C67420 rods as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| H02 |
31.8 mm. (1.25 in.) |
600MPa (90ksi) |
15% |
85 |
- |
- |
- |
| H04 |
9.525 mm. (0.375 in.) |
620MPa (90ksi) |
- |
- |
- |
- |
- |
| M30 |
31.8 mm. (1.25 in.) |
565MPa (82ksi) |
20% |
- |
- |
- |
- |
The chemical composition of UNS C67420 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
57.0-58.5 |
| Manganese, Mn |
1.5-2.5 |
| Aluminum, Al |
1-2 |
| Tin, Sn |
0.35 |
| Nickel, Ni |
0.25 |
| Lead, Pb |
0.25-0.8 |
| Silicon, Si |
0.25-0.7 |
| Iron, Fe |
0.15-0.55 |
| Zinc, Zn |
Remainder |