Sep 27 2012
UNS C31400 leaded commercial bronze has a copper content of not less than 87.5%.
The following table shows the mechanical properties of UNS C31400 bar as a function of heat treatment.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
B |
C |
F |
30T |
H02 |
6.35 mm (0.25 in) |
379 MPa (55 ksi) |
345 MPa (50 ksi) |
12% |
61 |
- |
80 |
- |
214 MPa (31 ksi) |
The chemical composition of UNS C31400 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
87.5-90.5 |
Lead Pb |
1.3-2.5 |
Iron, Fe |
0.1 |
Zinc, Zn |
Balance |
Equivalent materials to UNS C31400 copper alloy include: