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to Cast manganese bronzes
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(submitted by the website administration)
| Cast copper alloy C86700 (Manganese Bronze) | ||||
| Chemical composition: Zn=39%, Mn=1.8%, Fe=2.0%, Al=2.0%, Pb=1.0%, Cu=58% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.33 *10³ | kg/m³ | 520 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 103 | GPa | 15000 | ksi |
| Thermal expansion (20 ºC) | 19.8*10-6 | ºCˉ¹ | 11.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Electric resistivity | 10.3*10-8 | Ohm*m | 10.3*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 586 | MPa | 85000 | psi |
| Yield strength (sand cast) | 290 | MPa | 42000 | psi |
| Elongation (sand cast) | 20 | % | 20 | % |
| Hardness (sand cast) | 155 | HB(3000) | 155 | HB(3000) |
| Liquidus temperature | 880 | ºC | 1616 | ºF |
| Solidus temperature | 862 | ºC | 1583 | ºF |
