Nov 21 2012
Copper-zinc-silicon alloy UNS C69710 has a copper content of not less than 75%.
The following table shows the mechanical properties of UNS C69710 rods as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
B |
C |
F |
30T |
H00 |
- |
689MPa (100ksi) |
393MPa (57ksi) |
21% |
95 |
- |
- |
- |
O60 |
12.7mm (0.50in) |
620MPa (90ksi) |
310MPa (45ksi) |
20% |
85 |
- |
- |
- |
|
25.4mm (1in) |
586MPa (85ksi) |
296MPa (43ksi) |
25% |
85 |
- |
- |
- |
|
50.8mm (2in) |
552MPa (80ksi) |
276MPa (40ksi) |
25% |
85 |
- |
- |
- |
The chemical composition of UNS C69710 copper-zinc-silicon alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
75-80 |
Silicon, Si |
2.5-3.5 |
Arsenic, As |
0.03-0.06 |
Iron, Fe |
0.2 |
Manganese, Mn |
0.4 |
Lead, Pb |
0.5-1.5 |
Zinc, Zn |
14.3-21.4 |