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to Cast copper special alloys
to Properties of copper alloys
| Cast copper special alloy C99750 | ||||
| Chemical composition: Mn=20%, Al=1.6%, Zn=20%, Pb=1.5%, Cu=57% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.03 *10³ | kg/m³ | 501 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 117 | GPa | 17000 | ksi |
| Thermal expansion (20 ºC) | 24.3*10-6 | ºCˉ¹ | 13.5*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.09 | BTU/(lb*ºF) |
| Electric resistivity | 83.8*10-8 | Ohm*m | 83.8*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 448 | MPa | 65000 | psi |
| Yield strength (sand cast) | 221 | MPa | 32000 | psi |
| Elongation (sand cast) | 30 | % | 30 | % |
| Fatigue strength (sand cast) | 128 | MPa | 19000 | psi |
| Hardness (sand cast) | 110 | HB(500) | 110 | HB(500) |
| Tensile strength (quenched+annealed) | 517 | MPa | 75000 | psi |
| Yield strength (quenched+annealed) | 276 | MPa | 40000 | psi |
| Elongation (quenched+annealed) | 20 | % | 20 | % |
| Hardness (quenched+annealed) | 119 | HB(500) | 119 | HB(500) |
| Liquidus temperature | 843 | ºC | 1550 | ºF |
| Solidus temperature | 818 | ºC | 1505 | ºF |
