Copper-nickel heating resistance alloys with high resistance to chemical corrosion and oxidation with low temperature coefficient.
Certain electrical resistance reached by wounding of wires in coils and meantime current passed through it – Heat is generating!

Physical properties

Tensile strenth, MPa	Elastic limit, MPa	Resistivity at 20°C (µOhm-cm)	Density (g/cm3)	Linear Expansion Coeff. (10-6/K) (up to 100°C)	Approximate melting point, (°C)
300-500	150-300	8.9	30	15.7	1150

Recommended operating temperature in the air is 500°C

Applications:

• electrical resistors and heating wires
• heating cables, mats and cords
• temperature indicators and energy regulators

 CuNi23Mn datasheet.  Download(206KB)