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Nifethal 70 wire

Nifethal 70 wire

Place of Origin : China
Brand Name : Yuanqiao
Model Number : 0070
condition : annealed
surface : bright
Min order : 30kg
Size : 24~32 AWG
MOQ : 10kg
Price : 20USD/kg
Packaging Details : Wire on spool
Delivery Time : based on your quantity
Payment Terms : Western union or TT payment
Supply Ability : 20 tons each month
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Nifethal 70 is a nickel-iron alloy (NiFe alloy) for use at temperatures up to 600°C (1110°F). The alloy is characterized by very low resistivity and high temperature coefficient of resistance.

Typical applications for Nifethal 70 are in voltage regulators, timing devices, temperature sensitive resistors, temperature compensating devices and low temperature heating applications.

Chemical composition

Ni %Fe %
Nominal composition72Bal.

Mechanical properties

Wire sizeYield strengthTensile strengthElongation
ØR p0.2RmA
mmMPaMPa%
0.534064030

Physical properties

Density g/cm38.45
Electrical resistivity at 20°C Ω mm2/m0.20
Temperature factor of resistivity
Temperature °C100150200250300350400450500
Ct1.421.681.912.192.472.753.033.343.66
Coefficient of thermal expansion
Temperature °CThermal Expansion X10-6/K
20-100015
Thermal conductivity
Temperature °C20
W m-1 K-117
Specific heat capacity
Temperature °C20
kJ kg-1 K-10.52
Melting point °C1430
Max continuous operating temperature in air °C600
Magnetic propertiesThe material is magnetic up to approximately 610°C (the Curie point).


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