CuNi11 Resistance Wire

CuNi11 is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400°C (750°F).

CuNi11 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.

Chemical composition :
 Ni %Cu %
Nominal composition11.0Bal
Mechanical properties:
Wire sizeYield strengthTensile strengthElongation
ØRp0.2RmA
MmMPaMPa%
1.0013030030
Physical properties:
Density g/cm38.9
Electrical resistivity at 20°C O mm2/m0.15
Temperature factor of resistivity:
Temperature°C320100200300
Ct1.0351.071.111.15
Coefficient of thermal expansion:
Temperature°C3Thermal Expansion x10-6/K
20 – 10016
Thermal conductivity:
Temperature°C320
W m-1 K-160
Specific heat capacity:
Temperature°C320
kJ kg-1 K-10.380
Melting point °C1090
Max continuous operating temperature in air °C400
Magnetic propertiesThe material is non-magnetic

CuNi11 Resistance Wire

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