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to Cast manganese bronzes
to Properties of copper alloys
(submitted by the website administration)
| Cast copper alloy C86200 (Manganese Bronze) | ||||
| Chemical composition: Zn=25%, Mn=3.7%, Fe=3%, Al=4%, Cu=63% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 7.97 *10³ | kg/m³ | 498 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 103 | GPa | 15000 | ksi |
| Thermal expansion (20 ºC) | 21.6*10-6 | ºCˉ¹ | 12.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 35.5 | W/(m*K) | 246 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 22.7*10-8 | Ohm*m | 22.7*10-6 | Ohm*cm |
| Tensile strength (sand cast) | 655 | MPa | 95000 | psi |
| Yield strength (sand cast) | 331 | MPa | 48000 | psi |
| Elongation (sand cast) | 20 | % | 20 | % |
| Hardness (sand cast) | 180 | HB(3000) | 180 | HB(3000) |
| Liquidus temperature | 941 | ºC | 1725 | ºF |
| Solidus temperature | 899 | ºC | 1650 | ºF |
