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| Cast copper alloy C87400 (Silicon Bronze/Silicon Brass) | ||||
| Chemical composition: Zn=14%, Si=3.2%, Cu=82.8% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.30 *10³ | kg/m³ | 518 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 106 | GPa | 15400 | ksi |
| Thermal expansion (20 ºC) | 19.6*10-6 | ºCˉ¹ | 10.9*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 27.7 | W/(m*K) | 192 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 25.6*10-8 | Ohm*m | 25.6*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 379 | MPa | 55000 | psi |
| Yield strength (sand cast) | 165 | MPa | 24000 | psi |
| Elongation (sand cast) | 30 | % | 30 | % |
| Hardness (sand cast) | 100 | HB(3000) | 100 | HB(3000) |
| Liquidus temperature | 916 | ºC | 1680 | ºF |
| Solidus temperature | 821 | ºC | 1510 | ºF |