C70200 CuNi2.2

Chemical Composition:

Ni %

Cu %

Nominal composition

2.2

Bal.

Mechanical properties:

Wire size

Yield strength

Tensile strength

Elongation

Ø

Rp0.2

Rm

A

Mm

MPa

MPa

%

1

100

240

30

Physical Properties:

Density g/cm3

8.9

Electrical resistivity at 20°C O mm2/m

0.05

Temperature factor of resistivity:

Temperature°C

20

100

200

300

Ct

1

1.11

1.25

1.4

Coefficient of thermal expansion:

Temperature°C

Thermal Expansion x10-6/K

20 - 100

16.5

Thermal conductivity:

Temperature°C

20

W m-1 K-1

130

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