Dec 20 2012
Copper UNS C89940 has a copper content of not less than 64%.
The following table shows the mechanical properties of UNS C89940 sand cast alloy as a function of heat treatment.
Temper |
Tensile Str. |
Elong. |
M01 |
172MPa (25ksi) |
2% |
The chemical composition of UNS C89940 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
64-68 |
Nickel, Ni |
20-23 |
Bismuth, Bi |
4-5.5 |
Zinc, Zn |
3-5 |
Tin, Sn |
3-5 |
Iron, Fe |
0.7-2 |
Silicon, Si |
0.15 |
Phosphorous, P |
0.1-0.15 |
Antimony, Sb |
0.1 |
Sulfur, S |
0.05 |
Sulfur, S |
0.05 |
Lead, Pb |
0.01 |
Aluminum, Al |
0.005 |