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(submitted by the website administration)
| Cast copper alloy C81500 (Chromium Copper) | ||||
| Chemical composition: Cr=1.0%, Cu = 99.0% | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.82 *10³ | kg/m³ | 551 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 111 | GPa | 16000 | ksi |
| Thermal expansion (20 ºC) | 17.1*10-6 | ºCˉ¹ | 9.5*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.09 | BTU/(lb*ºF) |
| Thermal conductivity | 315 | W/(m*K) | 2184 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 2.87*10-8 | Ohm*m | 2.87*10-6 | Ohm*cm |
| Tensile strength (sand cast, solution treated and aged) | 351 | MPa | 50000 | psi |
| Yield strength (sand cast, solution treated and aged) | 276 | MPa | 40000 | psi |
| Elongation (sand cast, solution treated and aged) | 17 | % | 17 | % |
| Fatigue strength (sand cast, solution treated and aged) | 103 | MPa | 15000 | psi |
| Hardness (sand cast, solution treated and aged) | 105 | HB(500) | 105 | HB(500) |
| Solution temperature | 990 | ºC | 1814 | ºF |
| Aging temperature | 470 | ºC | 878 | ºF |
| Aging time | 2-4 | hrs. | 2-4 | hrs. |
| Liquidus temperature | 1085 | ºC | 1985 | ºF |
| Solidus temperature | 1075 | ºC | 1967 | ºF |