Hard copper alloy with high thermal conductivity and high mechanical properties combined with good hardness and high temperature strength.
Good resistance to tempering. Nitriding and case-hardening are not suitable.
Cupro CNB CuCo2Be Cobalt Copper Beryllium Copper Alloys
Spot welding electrodes and seam welding discs for stainless steel, Monel and nickel alloys
Flash welding dies, wire mesh electrodes
Plastic blow and injection moulds and inserts in steel tools for higher cooling rates
Nozzles and needles for hot runner systems
Plunger tips in aluminium die casting machines
Moulds for non-ferrous metal castings (as copper, brass, bronze)
Welding tools in plastic packaging
Beryllium |
Cobalt |
Other |
Copper |
Be |
Co |
|
Cu |
0.4 - 0.7 |
2.0 - 2.8 |
0.50 |
Remaining |
Hardness |
230 - 260 |
HB |
Tensile Strength |
700 - 900 |
N/mm2 |
Yield Strength |
600 - 700 |
N/mm2 |
Moduls of Elasticity (20°C) |
130 |
GPa |
Elogation L=5D |
10 - 15 |
% |
Electrical Conductivity |
25 - 30 |
MS/m |
Thermal Expansion Coefficient |
17 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
200 - 230 |
W/mK |
Density |
8.75 |
g/cm3 |
Extruded round dia.10-dia.120 mm bars, and various flat bars. Max. flat size: 400x100x2000 mm. Could also be cast and forged as per the customer's specifications.
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