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| Wrought copper alloy C65400 (Silicon Bronze) | ||||
| Chemical composition: Si=3.0%, Sn=1.5%, Cr=0.06%, Cu=balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 8.55 *10³ | kg/m³ | 534 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 117 | GPa | 17000 | ksi |
| Thermal expansion (20 ºC) | 17.5*10-6 | ºCˉ¹ | 9.7*10-6 | in/(in* ºF) |
| Specific heat capacity | 377 | J/(kg*K) | 0.090 | BTU/(lb*ºF) |
| Thermal conductivity | 36.3 | W/(m*K) | 352 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 24.6*10-8 | Ohm*m | 24.6*10-6 | Ohm*cm |
| Tensile strength (annealed) | 524 | MPa | 76000 | psi |
| Yield strength (annealed) | 310 | MPa | 45000 | psi |
| Elongation (annealed) | 45 | % | 45 | % |
| Hardness (annealed) | 81 | RB | 81 | RB |
| Tensile strength (cold work) | 786 | MPa | 114000 | psi |
| Yield strength (cold work) | 689 | MPa | 100000 | psi |
| Elongation (cold work) | 5 | % | 5 | % |
| Hardness (cold work) | 97 | RB | 97 | RB |
| Annealing temperature | 480-675 | ºC | 900-1250 | ºF |
| Liquidus temperature | 1018 | ºC | 1865 | ºF |
| Solidus temperature | 957 | ºC | 1755 | ºF |