Nov 15 2012
Copper-zinc-bismuth alloy UNS C49255 has a copper content of not less than 58%.
The following table shows the mechanical properties of UNS C49255 rods as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Elong. |
Shear Str. |
Fatigue Str. |
H01 |
32mm (1.26in) |
430MPa (62ksi) |
30% |
210MPa (30ksi) |
240MPa (34ksi) |
|
32mm (1.26in) |
430MPa (62ksi) |
40% |
- |
- |
|
32mm (1.26in) |
480MPa (69ksi) |
- |
- |
- |
M30 |
30mm (1.18in) |
430MPa (62ksi) |
40% |
- |
- |
The chemical composition of UNS C49255 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
58-60 |
Bismuth, Bi |
1.7-2.9 |
Tin, Sn |
0.5 |
Nickel, Ni |
0.1-0.3 |
Iron, Fe |
0.1 |
Phosphorous, P |
0.1 |
Silicon, Si |
0.1 |
Selenium, Se |
0.02-0.07 |
Lead, Pb |
0.01 |
Cadmium, Cd |
0.01 |
Zinc, Zn |
Remainder |