Cupro CNB CuCoNiBe Hard Copper Alloy
Cupro CNB CuCoNiBe
RWMA Class3 - C17510 - CW103C
Cupro CNB CuCoNiBe is a versatile copper alloy suitable to be used as welding electrodes, permanent mould components etc.
Hard copper alloy with high thermal conductivity and high mechanical properties combined with good hardness and high temperature strength.
Cupro CNB CuCONiBe Cobalt Nickel Copper Beryllium Copper Alloys
Area of Application
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
Chemical Composition and Material Number
Code: DIN 17666 – W. Nr. 2.1285, EN: CW 103C, AFNOR: UK2Be, USA – CDA: C175000 RWMA: CLASS3, ASTM B534, C17510
Beryllium |
Cobalt |
Nickle |
Other |
Copper |
Be |
Co |
Ni |
|
Cu |
0.4 - 0.7 |
0.8 - 1.3 |
0.50 |
Remaining |
|
Delivery Condition: Our company delivered made by the hardening process.
Mechanical Properties
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 |
% |
Physical Properties
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 |
Special İnformation
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.
