Nov 29 2012
UNS C50500 phosphor bronze alloy has a copper content of not less than 98.7%.
The following table shows the mechanical properties of UNS C50500 flat products as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| H02 |
1mm (0.04 in) |
379 MPa (55 ksi) |
- |
16% |
64 |
- |
- |
60 |
| H04 |
1mm (0.04 in) |
448 MPa (65 ksi) |
345 MPa (50 ksi) |
8% |
75 |
- |
- |
67 |
| H08 |
1mm (0.04 in) |
517 MPa (75 ksi) |
- |
4% |
79 |
- |
- |
70 |
| OS025 |
1mm (0.04 in) |
276 MPa (40 ksi) |
97 MPa (14 ksi) |
48% |
82 |
- |
68 |
- |
The chemical composition of UNS C50500 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Tin, Sn |
1.0-1.7 |
| Zinc |
0.3 |
| Iron, Fe |
0.1 |
| Lead, Pb |
0.05 |
| Phosphorous, P |
0.03-.035 |
| Copper, Cu |
Remainder |
Equivalent materials to UNS C50500 copper alloy are:
- ASTM B105
- ASTM B508
- ASTM B9