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(submitted by the website administration)
| Wrought copper alloy C18200 (Chromium Copper) | ||||
| Chemical composition: Cr=0.9%,Cu = 99.1% min | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.89 *10³ | kg/m³ | 555 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 117 | GPa | 17000 | ksi |
| Thermal expansion (20 ºC) | 17.6*10-6 | ºCˉ¹ | 9.8*10-6 | in/(in* ºF) |
| Specific heat capacity | 386 | J/(kg*K) | 0.092 | BTU/(lb*ºF) |
| Thermal conductivity | 324 | W/(m*K) | 2246 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 2.16*10-8 | Ohm*m | 2.16*10-6 | Ohm*cm |
| Tensile strength (solut. treat.) | 234 | MPa | 34000 | psi |
| Yield strength (solut. treat.) | 131 | MPa | 19000 | psi |
| Elongation (solut. treat.) | 40 | % | 40 | % |
| Hardness (solut. treat.) | 16 | RB | 16 | RB |
| Tensile strength (aged) | 386 | MPa | 56000 | psi |
| Yield strength (aged) | 276 | MPa | 40000 | psi |
| Elongation (aged) | 30 | % | 30 | % |
| Hardness (aged) | 68 | RB | 68 | RB |
| Annealing temperature | 425-650 | ºC | 800-1200 | ºF |
| Solution temperature | 990 | ºC | 1814 | ºF |
| Aging temperature | 470 | ºC | 878 | ºF |
| Aging time | 2-4 | hrs. | 2-4 | hrs. |
| Liquidus temperature | 1075 | ºC | 1967 | ºF |
| Solidus temperature | 1070 | ºC | 1958 | ºF |
