C70500 CuNi6

C70500 CuNi6
C70500 CuNi6
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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