Nov 23 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 bars as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Elong. |
Shear Str. |
Fatigue Str. |
| H01 |
32mm (1.26in) |
340MPa (62ksi) |
30% |
210MPa (30ksi) |
240MPa (34ksi) |
|
32mm (1.26in) |
410MPa (59ksi) |
- |
- |
- |
|
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 |