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(submitted by the website administration)
| Cast copper alloy C85200 (Leaded Yellow Brass) | ||||
| Chemical composition: Zn=23.5%, Pb=3.0%, Sn=1.4%, Cu=72% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.50 *10³ | kg/m³ | 531 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 75.8 | GPa | 11000 | ksi |
| Thermal expansion (20 ºC) | 20.7*10-6 | ºCˉ¹ | 11.5*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 83.9 | W/(m*K) | 582 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 9.6*10-8 | Ohm*m | 9.6*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 262 | MPa | 38000 | psi |
| Yield strength (sand cast) | 90 | MPa | 13000 | psi |
| Elongation (sand cast) | 35 | % | 35 | % |
| Hardness (sand cast) | 45 | HB(500) | 45 | HB(500) |
| Liquidus temperature | 941 | ºC | 1725 | ºF |
| Solidus temperature | 927 | ºC | 1700 | ºF |
