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COPPER
CuCo2Be (Cobalt-Copper Beryllium)
CuCo2Be (Cobalt-Copper Beryllium)
CuCo2Be has good mechanical properties and high thermal and electrical conductivity. It is a precipitation hardened copper alloy with high hardness and high temperature resistance.
Usage of Areas:
- Electrodes, welding discs, plastic moulds for spot welding,
- Inserts for steel tools (to speed up the cooling process), nozzles and needles,
- Production of piston ends and non-ferrous metal moulds for aluminium casting machines
- Metal casting moulds
CHEMICAL COMPOSITION
| Alloy | Be (%) | Co (%) | Cu (%) | Other (%) |
|---|---|---|---|---|
| CuCo2Be | 0.4 - 0.7 | 2.0 - 2.8 | Balance | 0.5 |
PHYSICAL PROPERTIES
| Electrical Conductivity (%MS/m) | Coefficient of Thermal Expansion (1/Kx10¯⁶) | Thermal Conductivity (20°C) (W/mK) | Density (g/cm³) |
|---|---|---|---|
| 25 - 30 | 17 | 200-230 | 8.75 |
MECHANICAL PROPERTIES
| Yield Strength (N/mm²) (min-max) | Tensile Strength (N/mm²) (min-max) | Elongation (50%) (min-max) | Hardness (brinel) (min-max) | Modulus of Elasticity (20°C) (GPa) |
|---|---|---|---|---|
| 600 - 700 | 700 - 900 | 10 -15 | 230 - 260 | 130 |