Nov 29 2012
Copper-zinc-bismuth alloy UNS C49250 has a copper content of not less than 58%.
The following table shows the mechanical properties of UNS C49250 rod and bar as a function of heat treatment.
Temper |
Tensile Str. |
Elong. |
Fatigue Str. |
ANNEAL |
390MPa (57ksi) |
- |
- |
ANNEAL |
425MPa (62ksi) |
40% |
- |
ANNEAL |
450MPa (65ksi) |
- |
- |
H02 |
400MPa (58ksi) |
- |
- |
|
440MPa (64ksi) |
25% |
- |
|
500MPa (73ksi) |
- |
- |
The chemical composition of UNS C49250 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
58-61 |
Bismuth, Bi |
1.8-2.4 |
Iron, Fe |
0.5 |
Tin, Sn |
0.3 |
Lead, Pb |
0.09 |
Cadmium, Cd |
0.001 |
Zinc, Zn |
Remainder |