Copper Foil and Copper Alloy
Nickel Silver
Compare Features and Typical Applications
Nickel Silver
| Alloy name | Composition | Features | Applications |
|---|---|---|---|
| C7701 | 56Cu-18Ni-26Zn | Corrosion resistance, spring properties | Quartz resonators, shielding cases |
| C7521 | 64Cu-18Ni-18Zn | Corrosion resistance | Quartz resonators, shielding cases |
Compare Composition and Properties
Nickel silver alloy composition and properties
Chemical Composition (wt%)
| Copper Alloy Name | Nickel Silver | |
|---|---|---|
| C7521 | C7701 | |
| Chemical Composition (wt%) | Cu : 64.0 Zn : 18.0 Ni : 18.0 |
Cu : 56.0 Zn : 26.0 Ni : 18.0 |
Physical Properties
| Copper Alloy Name | Nickel Silver | |
|---|---|---|
| C7521 | C7701 | |
| Specific Gravity | 8.73 | 8.70 |
| Modulus of Elasticity (GPa) | 125 | 125 |
| Electrical Conductivity (%IACS @20℃) | 6 | 5 |
| Poisson's Ratio | 0.33 | 0.33 |
Mechanical Properties
| Copper Alloy Name | Nickel Silver | ||
|---|---|---|---|
| C7521 | C7701 | ||
| Tensile Strength (MPa) | 1/2H | 440-570 | 540-655 |
| H | 540-635 | 630-735 | |
| EH | - | 705-805 | |
| SH | - | 765-865 | |
| 0.2% Yield Strength (MPa) | 1/2H | - | - |
| H | - | - | |
| EH | - | - | |
| SH | - | - | |
| Elongation (%) | 1/2H | ≧5 | ≧11 |
| H | ≧3 | ≧4 | |
| EH | - | - | |
| SH | - | - | |
| Vickers Hardness (Hv) | 1/2H | 120-180 | 150-210 |
| H | 150-200 | 180-240 | |
| EH | - | 210-260 | |
| SH | - | 230-270 | |
- Standard specs
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