to Cast silicon bronzes and silicon brasses
to Properties of copper alloys
(submitted by the website administration)
| Cast copper alloy C87850 (Silicon Bronze/Silicon Brass) | ||||
| Chemical composition: Zn=20.9%, Si=3.0%, P=0.12%, Cu=76% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.30 *10³ | kg/m³ | 518 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 105 | GPa | 15200 | ksi |
| Thermal expansion (20 ºC) | 18.5*10-6 | ºCˉ¹ | 10.3*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 37.7 | W/(m*K) | 262 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 21.9*10-8 | Ohm*m | 21.9*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 434 | MPa | 63000 | psi |
| Yield strength (sand cast) | 186 | MPa | 27000 | psi |
| Hardness (sand cast) | 78 | RB | 78 | RB |
| Liquidus temperature | 880 | ºC | 1616 | ºF |
| Solidus temperature | 855 | ºC | 1571 | ºF |