Jan 9 2013
Copper UNS C68800 has a copper content of not less than 73.5%.
The following table shows the mechanical properties of UNS C68800 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Fatigue Str. |
B |
C |
F |
30T |
H02 |
1mm (0.04in) |
641MPa (93ksi) |
- |
20% |
90 |
- |
- |
78 |
- |
H04 |
1mm (0.04in) |
752MPa (109ksi) |
- |
6% |
96 |
- |
- |
82 |
- |
H06 |
1mm (0.04in) |
807MPa (117ksi) |
- |
3% |
97 |
- |
- |
83 |
- |
H08 |
1mm (0.04in) |
841MPa (122ksi) |
- |
3% |
98 |
- |
- |
83 |
252MPa (37ksi) |
H10 |
1mm (0.04in) |
889MPa (129ksi) |
- |
2% |
99 |
- |
- |
83 |
- |
OS015 |
1mm (0.04in) |
565MPa (82ksi) |
372MPa (54ksi) |
36% |
81 |
- |
- |
71 |
- |
An equivalent material to UNS C68800 copper alloys is ASTM B592.
The chemical composition of UNS C68800 copper alloy is outlined in the following table.
Element |
Content (%) |
Zinc, Zn |
21.3-24.1 |
Aluminum, Al |
3-3.8 |
Cobalt, Co |
0.25-0.55 |
Iron, Fe |
0.2 |
Lead, Pb |
0.05 |
Copper, Cu |
Remainder |