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to Properties of copper alloys
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| Wrought copper alloy C71500 (Copper-Nickel 30%) | ||||
| Chemical composition: Ni=30%, Fe=0.5%, Cu=balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.94 *10³ | kg/m³ | 558 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 152 | GPa | 22000 | 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 | 29.4 | W/(m*K) | 204 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 37.4*10-8 | Ohm*m | 37.4*10-6 | Ohm*cm |
| Tensile strength (annealed) | 303 | MPa | 44000 | psi |
| Yield strength (annealed) | 110 | MPa | 16000 | psi |
| Elongation (annealed) | 42 | % | 42 | % |
| Hardness (annealed) | 15 | RB | 15 | RB |
| Tensile strength (cold work) | 414 | MPa | 60000 | psi |
| Yield strength (cold work) | 393 | MPa | 57000 | psi |
| Elongation (cold work) | 10 | % | 10 | % |
| Hardness (cold work) | 72 | RB | 72 | RB |
| Annealing temperature | 600-850 | ºC | 1100-1500 | ºF |
| Liquidus temperature | 1238 | ºC | 2260 | ºF |
| Solidus temperature | 1171 | ºC | 2140 | ºF |