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.

Specifications
Chemical Composition:
Elements Min (%) Max (%)
Cu Rem
Pb 0.05
Zn 0.20
Fe 0.10
Ni 5.8 7.8
Mn 0.15
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. (3) Ni value includes Co.
Chemical Composition:
Ni % Cu %
Nominal composition 6.0 Bal.
Mechanical properties:
Wire size Yield strength Tensile strength Elongation
Ø Rp0.2 Rm A
Mm MPa MPa %
1.00 100 280 30
Physical Properties:
Density g/cm3 8.9
Electrical resistivity at 20°C O mm2/m 0.10
Temperature factor of resistivity:
Temperature°C 20 100 200 300
Ct 1.00 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 0.380
Melting point °C 1090
Max continuous operating temperature in air °C 300
Magnetic properties The material is non-magnetic

CuNi6

Send Enquiry