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 |