Jan 22 2013
UNS C43500 tin brass has a copper content of not less than 79%.
The following table shows the mechanical properties of UNS C43500 flat products as a function of heat treatment and thickness.
| Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
| B |
C |
F |
30T |
| H02 |
1 mm (0.04 in) |
448 MPa (65 ksi) |
372 MPa (54 ksi) |
16% |
72 |
- |
- |
- |
286 MPa (42 ksi) |
| H04 |
1 mm (0.04 in) |
552 MPa (80 ksi) |
469 MPa (68 ksi) |
7% |
85 |
- |
- |
- |
310 MPa (45 ksi) |
| OS025 |
1 mm (0.04 in) |
338 MPa (49 ksi) |
124 MPa (18 ksi) |
46% |
- |
- |
70 |
31 |
248 MPa (36 ksi) |
| OS035 |
- |
317 MPa (46 ksi) |
110 MPa (16 ksi) |
46% |
- |
- |
69 |
40 |
- |
The chemical composition of UNS C43500 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
79-83 |
| Tin, Sn |
0.6-1.2 |
| Lead, Pb |
0.09 |
| Iron, Fe |
0.05 |
| Zinc, Zn |
Remainder |