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to Cast copper-nickel alloys and Nickel Silvers
to Properties of copper alloys
(submitted by the website administration)
| Cast copper alloy C96400 (70-30 Copper-Nickel) | ||||
| Chemical composition: Ni=30%, Fe=0.9%, Nb=1.0%, Cu=balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.94 *10³ | kg/m³ | 558 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 145 | GPa | 21000 | 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 | 28.5 | W/(m*K) | 197 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 35.7*10-8 | Ohm*m | 35.7*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 469 | MPa | 68000 | psi |
| Yield strength (sand cast) | 255 | MPa | 37000 | psi |
| Elongation (sand cast) | 28 | % | 28 | % |
| Fatigue strength (sand cast) | 124 | MPa | 18000 | psi |
| Hardness (sand cast) | 140 | HB(3000) | 140 | HB(3000) |
| Liquidus temperature | 1238 | ºC | 2260 | ºF |
| Solidus temperature | 1117 | ºC | 2140 | ºF |
