Nov 22 2012
UNS C49300 lead-free bismuth copper alloy has a copper content of not less than 58%.
The following table shows the mechanical properties of UNS C49300 bars as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Elong. |
Shear Str. |
Fatigue Str. |
H02 |
25.4 mm (1 in) |
462 MPa (67 ksi) |
9% |
- |
- |
H04 |
5.1 mm (0.02 in) |
517 MPa (75 ksi) |
5% |
290 MPa (42 ksi) |
200 MPa (29 ksi) |
M30 |
25.4 mm (1 in) |
427 MPa (62 ksi) |
20% |
- |
- |
O61 |
25.4 mm (1 in) |
441 MPa (64 ksi) |
18% |
- |
- |
The chemical composition of UNS C49300 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
58-62 |
Nickel, Ni |
1.5 |
Tin, Sn |
1-1.8 |
Bismuth, Bi |
0.50-2 |
Antimony, Sb |
0.5 |
Aluminum, Al |
0.5 |
Silicon, Si |
0.1 |
Iron, Fe |
0.1 |
Manganese, Mn |
0.03 |
Selenium, Se |
0.02 |
Phosphorous, P |
0.02 |
Lead, Pb |
0.01 |
Zinc, Zn |
Balance |