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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 C74500 (Nickel Silver 65-10) | ||||
| Chemical composition: Ni=10%, Zn=25%, Cu=65% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.69*10³ | kg/m³ | 542 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 121 | GPa | 17500 | ksi |
| Thermal expansion (20 ºC) | 16.4*10-6 | ºCˉ¹ | 9.1*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 45.0 | W/(m*K) | 312 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 19.1*10-8 | Ohm*m | 19.1*10-6 | Ohm*cm |
| Tensile strength (annealed) | 365 | MPa | 53000 | psi |
| Yield strength (annealed) | 138 | MPa | 20000 | psi |
| Elongation (annealed) | 43 | % | 43 | % |
| Shear strength (annealed) | 283 | MPa | 41000 | psi |
| Hardness (annealed) | 35 | RB | 35 | RB |
| Tensile strength (cold work) | 655 | MPa | 95000 | psi |
| Yield strength (cold work) | 524 | MPa | 76000 | psi |
| Elongation (cold work) | 3 | % | 3 | % |
| Shear strength (cold work) | 407 | MPa | 59000 | psi |
| Hardness (cold work) | 92 | RB | 92 | RB |
| Annealing temperature | 600-850 | ºC | 1100-1500 | ºF |
| Liquidus temperature | 1021 | ºC | 1870 | ºF |
