Nov 29 2012
Aluminum brass UNS C68700 has a copper content of not less than 76%.
The following table shows the mechanical properties of UNS C68700 tube as a function of heat treatment.
| Temper |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| OS025 |
414MPa (60ksi) |
186MPa (27ksi) |
55% |
- |
- |
77 |
- |
Equivalent materials to UNS C68700 copper alloys are the following:
- ASME SB111
- ASME SB359
- ASME SB395
- ASME SB543
- ASTM B111
- ASTM B359
- ASTM B395
- ASTM B543
The chemical composition of UNS C68700 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Copper, Cu |
76-79 |
| Aluminum, Al |
1.8-2.5 |
| Arsenic, As |
0.02-0.06 |
| Iron, Fe |
0.06 |
| Lead, Pb |
0.07 |
| Zinc, Zn |
Remainder |