Dec 17 2012
Nickel silver UNS C75700 has a copper content of not less than 63.5%.
The following table shows the mechanical properties of UNS C75700 flat products as a function of heat treatment and thickness.
Temper |
Thickness |
Tensile Str. |
Yield Str. |
Elong. |
Rockwell |
Shear Str. |
Fatigue Str. |
B |
C |
F |
30T |
H00 |
1mm. (0.04 in.) |
414MPa (60ksi) |
241MPa (35ksi) |
32% |
60 |
- |
- |
55 |
296MPa (43ksi) |
- |
H01 |
1mm. (0.04 in.) |
448MPa (65ksi) |
310MPa (45ksi) |
23% |
70 |
- |
- |
63 |
303MPa (44ksi) |
- |
H02 |
1mm. (0.04 in.) |
503MPa (73ksi) |
414MPa (60ksi) |
11% |
80 |
- |
- |
70 |
324MPa (47ksi) |
- |
H04 |
1mm. (0.04 in.) |
586MPa (85ksi) |
517MPa (75ksi) |
4% |
89 |
- |
- |
75 |
359MPa (52ksi) |
- |
H06 |
1mm. (0.04 in.) |
641MPa (93ksi) |
545MPa (79ksi) |
2% |
92 |
- |
- |
77 |
386MPa (56ksi) |
- |
OS015 |
1mm. (0.04 in.) |
421MPa (61ksi) |
193MPa (28ksi) |
35% |
55 |
- |
88 |
51 |
- |
- |
OS025 |
1mm. (0.04 in.) |
407MPa (59ksi) |
165MPa (24ksi) |
38% |
45 |
- |
82 |
44 |
- |
- |
OS035 |
1mm. (0.04 in.) |
386MPa (56ksi) |
145MPa (21ksi) |
42% |
37 |
- |
78 |
38 |
283MPa (41ksi) |
- |
OS050 |
1mm. (0.04 in.) |
372MPa (54ksi) |
131MPa (19ksi) |
45% |
30 |
- |
73 |
33 |
- |
- |
OS070 |
1mm. (0.04 in.) |
359MPa (52ksi) |
124MPa (18ksi) |
48% |
22 |
- |
69 |
27 |
- |
- |
Equivalent materials to UNS C75700 copper alloy are provided below:
- ASTM B151
- ASTM B206
- QQ W321
The chemical composition of UNS C75700 copper alloy is outlined in the following table.
Element |
Content (%) |
Copper, Cu |
63.5-66.5 |
Nickel, Ni |
11-13 |
Manganese, Mn |
0.5 |
Iron, Fe |
0.25 |
Lead, Pb |
0.05 |
Zinc, Zn |
Remainder |