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to Wrought copper-nickel alloys and Nickel Silvers
to Properties of copper alloys
(submitted by the website administration)
| Wrought copper alloy C75400 (Nickel Silver 65-15) | ||||
| Chemical composition: Ni=15%, Zn=20%, Cu=65% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.69*10³ | kg/m³ | 542 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 124 | GPa | 18000 | ksi |
| Thermal expansion (20 ºC) | 16.2*10-6 | ºCˉ¹ | 9.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 36.3 | W/(m*K) | 252 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 24.6*10-8 | Ohm*m | 24.6*10-6 | Ohm*cm |
| Tensile strength (annealed) | 365 | MPa | 53000 | psi |
| Yield strength (annealed) | 124 | MPa | 18000 | psi |
| Elongation (annealed) | 43 | % | 43 | % |
| Hardness (annealed) | 27 | R30T | 27 | R30T |
| Tensile strength (cold work) | 634 | MPa | 92000 | psi |
| Yield strength (cold work) | 545 | MPa | 79000 | psi |
| Elongation (cold work) | 2 | % | 2 | % |
| Shear strength (cold work) | 372 | MPa | 54000 | psi |
| Hardness (cold work) | 77 | R30T | 77 | R30T |
| Annealing temperature | 600-850 | ºC | 1100-1500 | ºF |
| Liquidus temperature | 1077 | ºC | 1970 | ºF |
| Solidus temperature | 1038 | ºC | 1900 | ºF |
