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C70800 CuNi 11

C70800 CuNi 11
C70800 CuNi 11
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Product Code : C70800
Product Description
C70800 CuNi11

CuNi11 is a copper-nickel alloy (CuNi alloy) with medium-low resistivity for use at temperatures up to 400°C (750°F). The alloy CuNi11 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.

Chemical Composition:

Ni % Cu %

Nominal composition 11 Bal.

Mechanical properties:

Wire size Yield strength Elongation

Ø Rp0.2 A

Mm MPa %

1 130 30

Physical Properties:
Density g/cm3 8.9
Electrical resistivity at 20°C O mm2/m 0.15

Temperature factor of resistivity:
Temperature°C 20 100 200 300 400
Ct 1 1.04 1.07 1.11 1.15

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

Thermal conductivity:
Temperature°C 20
W m-1 K-1 60

Specific Heat Capacity:
Temperature°C 20
kJ kg-1 K-1 0.38
Melting point °C 1090
Max continuous operating temperature in air °C 400
Magnetic properties The material is non-magnetic

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