Nov 29 2012
UNS C82500 beryllium copper alloy has a copper content of not less than 97.8%.
The following table shows the mechanical properties of UNS C82500 sand cast alloy as a function of heat treatment.
Temper |
Tensile Str. |
Elong. |
Rockwell |
Fatigue Str. |
B |
C |
F |
30T |
M01 |
552 MPa (80 ksi) |
20% |
82 |
- |
- |
- |
- |
|
518 MPa (75 ksi) |
15% |
- |
- |
- |
|
- |
O11 |
827 MPa (120 ksi) |
2% |
- |
- |
30 |
- |
- |
TB00 |
414 MPa (60 ksi) |
35% |
63 |
- |
- |
- |
- |
TF00 |
1103 MPa (160 ksi) |
1% |
- |
43 |
- |
- |
165 MPa (24 ksi) |
|
1035 MPa (150 ksi) |
1% |
- |
- |
- |
- |
- |
The chemical composition of UNS C82500 copper alloy is outlined in the following table.
Element |
Content (%) |
Beryllium, Be |
1.90-2.25 |
Cobalt, Co |
0.35-0.70 |
Iron, Fe |
0.25 |
Silicon, Si |
0.20-0.35 |
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 |