Nov 30 2012
Semi-red brass UNS C84020 has a copper content of not less than 82%.
The following table shows the mechanical properties of UNS C84020 casting alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
| M01 |
269MPa (39ksi) |
110MPa (16ksi) |
33% |
|
- |
125MPa (18ksi) |
43% |
The chemical composition of UNS C84020 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
82-89 |
| Zinc, Zn |
5-14 |
| Tin, Sn |
2-4 |
| Nickel, Ni |
0.5-2 |
| Iron, Fe |
0.4 |
| Manganese, Mn |
0.2 |
| Boron, B |
0.2 |
| Zirconium, Zr |
0.2 |
| Sulfur, S |
0.1-0.65 |
| Carbon, C |
0.1 |
| Lead, Pb |
0.09 |
| Phosphorous, P |
0.05 |
| Antimony, Sb |
0.02 |
| Silicon, Si |
0.005 |
| Aluminum, Al |
0.005 |