Nov 20 2012
Nickel silver UNS C74500 has a copper content of not less than 63.5%.
The following table shows the mechanical properties of UNS C74500 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
B |
C |
F |
30T |
H00 |
1mm. (0.04in.) |
414MPa (60ksi) |
241MPa (35ksi) |
34% |
60 |
- |
- |
55 |
296MPa (43ksi) |
H01 |
1mm. (0.04in.) |
448MPa (65ksi) |
310MPa (45ksi) |
- |
63 |
- |
70 |
45 |
- |
H02 |
1mm. (0.04in.) |
503MPa (73ksi) |
414MPa (60ksi) |
12% |
80 |
- |
- |
70 |
345MPa (50ksi) |
H04 |
1mm. (0.04in.) |
593MPa (86ksi) |
517MPa (75ksi) |
4% |
89 |
- |
- |
76 |
379MPa (55ksi) |
H06 |
1mm. (0.04in.) |
655MPa (95ksi) |
524MPa (76ksi) |
3% |
92 |
- |
- |
78 |
407MPa (59ksi) |
OS015 |
1mm. (0.04in.) |
414MPa (60ksi) |
193MPa (28ksi) |
36% |
52 |
- |
85 |
51 |
- |
OS025 |
1mm. (0.04in.) |
386MPa (56ksi) |
159MPa (23ksi) |
40% |
42 |
- |
80 |
44 |
- |
OS035 |
1mm. (0.04in.) |
365MPa (53ksi) |
138MPa (20ksi) |
43% |
35 |
- |
76 |
78 |
283MPa (41ksi) |
OS050 |
1mm. (0.04in.) |
352MPa (51ksi) |
131MPa (19ksi) |
46% |
28 |
- |
71 |
34 |
- |
OS070 |
1mm. (0.04in.) |
338MPa (49ksi) |
124MPa (18ksi) |
49% |
22 |
- |
67 |
30 |
- |
Equivalent materials to UNS C74500 copper alloy are given below:
- ASTM B122
- ASTM B151
- ASTM B206
- QQ W321
The chemical composition of UNS C74500 copper alloy is outlined in the following.
Element |
Content (%) |
Copper, Cu |
63.5-66.5 |
Nickel, Ni |
9-11 |
Manganese, Mn |
0.5 |
Iron, Fe |
0.25 |
Lead, Pb |
0.09 |
Zinc, Zn |
Remainder |