Sep 27 2012
Low brass copper UNS C40820 has a copper content of not less than 94%.
The following table shows the mechanical properties of UNS C40820 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Elong. |
Fatigue Str. |
H02 |
- |
480MPa (70ksi) |
16% |
- |
H04 |
0.25mm (0.009in) |
585MPa (85ksi) |
13% |
260MPa (38ksi) |
H06 |
- |
641MPa (93ksi) |
7% |
- |
The chemical composition of UNS C40820 copper alloy is outlined in the following.
Element |
Content (%) |
Copper, Cu |
94 |
Tin, Sn |
1-2.5 |
Zinc, Zn |
0.2-2.5 |
Nickel, Ni |
0.1-0.5 |
Phosphorous, P |
0.05 |
Lead, Pb |
0.02 |