Dec 14 2012
Oxygen free copper UNS C61900 has a copper content of not less than 86.5%.
Tabulated below are the mechanical properties of UNS C61900 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Elong. |
Rockwell |
Fatigue Str. |
B |
C |
F |
30T |
H02 |
1mm (0.04in) |
717MPa (104ksi) |
21% |
93 |
- |
- |
78 |
- |
H04 |
1mm (0.04in) |
834MPa (121ksi) |
8% |
98 |
- |
- |
83 |
- |
H08 |
1mm (0.04in) |
896MPa (130ksi) |
4% |
100 |
- |
- |
83 |
231MPa (34ksi) |
H10 |
1mm (0.04in) |
945MPa (137ksi) |
3% |
100 |
- |
- |
84 |
- |
HR10 |
1mm (0.04in) |
1048MPa (152ksi) |
1% |
- |
- |
- |
- |
- |
HT04 |
1mm (0.04in) |
931MPa (135ksi) |
2% |
- |
- |
- |
- |
- |
HT08 |
1mm (0.04in) |
1000MPa (145ksi) |
1% |
- |
- |
- |
- |
265MPa (39ksi) |
O61 |
1mm (0.04in) |
634MPa (92ksi) |
30% |
- |
- |
- |
72 |
- |
The chemical composition of UNS C61900 copper alloy is outlined in the following table.
Elements |
Content (%) |
Aluminum, Al |
8.5-10.0 |
Iron, Fe |
3.0-4.5 |
Zinc, Zn |
0.8 |
Tin, Sn |
0.6 |
Lead, Pb |
0.02 |
Copper, Cu |
Remainder |