Nov 30 2012
Copper-zinc alloy UNS C68300 has a copper content of not less than 59%.
The following table shows the mechanical properties of UNS C68300 rods as a function of heat treatment and thickness.
Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
B |
C |
F |
30T |
M30 |
350MPa (51ksi) |
210MPa (30ksi) |
- |
- |
- |
- |
- |
|
425MPa (62ksi) |
245MPa (36ksi) |
15% |
60 |
- |
- |
- |
|
500MPa (73ksi) |
280MPa (40ksi) |
- |
- |
- |
- |
- |
The chemical composition of UNS C68300 copper-zinc alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
59-63 |
Antimony, Sb |
0.3-1 |
Silicon, Si |
0.3-1 |
Lead, Pb |
0.09 |
Tin, Sn |
0.05-2 |
Cadmium, Cd |
0.01 |
Zinc, Zn |
Remainder |