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C70500 CuNi6

C70500 CuNi6
C70500 CuNi6
Product Code : C70500
Product Description
C70500 CuNi6

CuNi6 is a copper-nickel alloy (CuNi alloy) with low resistivity suitable for use at temperatures up to 300°C (570°F). The alloy is used in forming wires that are typically used for low-temperature applications such as heating cables.

Chemical Composition:

Ni % Cu %

Nominal composition 6 Bal.

Mechanical properties:

Wire size Yield strength Tensile strength Elongation

Ø Rp0.2 Rm A

Mm MPa MPa %

1 100 280 30

Physical Properties:
Density g/cm3 8.9
Electrical resistivity at 20°C O mm2/m 0.1

Temperature factor of resistivity:
Temperature°C 20 100 200 300
Ct 1 1.06 1.11 1.19

Coefficient of thermal expansion:
Temperature°C Thermal Expansion x10-6/K
20 - 100 16

Thermal conductivity:
Temperature°C 20
W m-1 K-1 90

Specific Heat Capacity:
Temperature°C 20
kJ kg-1 K-1 0.38
Melting point °C 1090
Max continuous operating temperature in air °C 300
Magnetic properties The material is non-magnetic
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