Nov 30 2012
Beryllium copper UNS C82800 has a copper content of not less than 97%.
The following table shows the mechanical properties of UNS C82800 sand cast alloy as a function of heat treatment.
| Temper |
Tensile Str. |
Elong. |
Rockwell |
| B |
C |
F |
30T |
| M01 |
552MPa (80ksi) |
10% |
88 |
- |
- |
- |
| TB00 |
552MPa (80ksi) |
10% |
85 |
- |
- |
- |
| TF00 |
1139MPa (165ksi) |
- |
- |
- |
- |
- |
|
- |
- |
- |
46 |
- |
- |
| O11 |
862MPa (125ksi) |
2% |
- |
31 |
- |
- |
The chemical composition of UNS C82800 copper alloy is outlined in the following table.
| Element |
Content (%) |
| Beryllium, Be |
2.5-2.85 |
| Cobalt, Co |
0.35-0.7 |
| Iron, Fe |
0.25 |
| Silicon, Si |
0.2-0.35 |
| Nickel, Ni |
0.2 |
| Aluminum, Al |
0.15 |
| Tin, Sn |
0.1 |
| Zinc, Zn |
0.1 |
| Chromium, Cr |
0.09 |
| Lead, Pb |
0.02 |
| Copper, Cu |
Remainder |