Dec 10 2012
UNS C87800 copper alloy has a copper content of not less than 80%.
The following table shows the mechanical properties of UNS C87800 permanent mold cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| M05 |
552 MPa (80 ksi) |
207 MPa (30 ksi) |
15% |
- |
- |
- |
- |
|
575 MPa (83 ksi) |
254 MPa (37 ksi) |
29% |
81 |
- |
- |
- |
The chemical composition of UNS C87800 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
80 |
| Zinc, Zn |
12-16 |
| Silicon, Si |
3.8-4.2 |
| Tin, Sn |
0.25 |
| Nickel, Ni |
0.2 |
| Aluminum, Al |
0.15 |
| Manganese, Mn |
0.15 |
| Iron, Fe |
0.15 |
| Lead, Pb |
0.09 |
| Antimony, Sb |
0.05 |
| Arsenic, As |
0.05 |
| Sulfur, S |
0.05 |
| Magnesium, Mg |
0.01 |
| Phosphorous, P |
0.01 |