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Nickel chrome wire manufacturer
Nickel chrome wire manufacturer
Nickel chrome wire manufacturer

Nickel chrome wire


Nickel chrome wire is a kind of non-magnetic alloy of nickel and chromium, it is widely used in heating elements. The maximum operation temperature of the heating elements is related to the wire diameter, it is better to choose thicker wires, the corrosive atmospheres also have a considerable relationship with the maximum operation temperature.

The surface temperature is about 100C higher than the inner normally, when the operation temperature exceeds the limit, the oxidation of heating elements itself is accelerated, the heat resistance will be reduced, which is easily deformed,collapsed and even appreas to be broken, thereby shortening the service life.


  • TYPE:

    Cr20Ni80/Cr15Ni60/Cr20Ni30
  • DIA:

    0.01-8.0mm


Nickel chromium wire and nickel chromium iron wire are the most widely used for high resistance wires,they have advantages as follow:

1.    Nickel chrome wire is not easy to be deformed at high temperature and the layout of element is selective well

2.    Nichrome wire will not be brittle after cooling, therefore the relatively reliable to use and repair easily

3.    The emissivity of nickel chromium wire is higher than iron chromium aluminum with fully oxidized,so its temperature is lower when the surface load is the same

4.    The nickel chrome wire is not magnetic which is more suitable for some appliances at low temperature, the iron chromium aluminum is not magnetic above 600C

The nichrome wire has better corrosion resistance (except for sulfur-containing atmospheres and certain controlled atmospheres)


Physical parameters of nickel chrome wire

Specification 

Cr 

Ni 

Fe 

Al 

Si 

C 

P 

S 

Mn 

Cr20Ni80 

20.0-23.0 

BAL. 

1.0 

0.50 

0.75-1.60 

0.08 

0.02 

0.015 

0.60 

Cr15Ni60 

15.0- 18.0

55.0-61.0

BAL. 

0.50 

0.75- 1.60

0.08 

0.02 

0.015 

0.60 

Cr20Ni30 

18.0- 21.0

30.0-34.0

BAL. 

-----

1.00-2.00

0.08 

0.02 

0.015 

1.00 


 Nichrome composition

Resistivity of nichrome (20μΩ.m) 

CE (α×10-6/ºC)

MP(ºC)

TCR(ppm/ºC) 

Max of T(ºC)

1.09 ± 0.05 

14

1400

85

1000

1.10±0.05 

17

1390

140

950

1.05±0.05 

19

1390

280

950


We supply the top quality nickel chrome wire 100% through QA program superivised by the Chief Quality Officer. Continuously doing the job of raw materials purchase management, manufacturing processes optimization, staff training,etc. Our sales prices can always keep competitve all over the world.

Pls contact us for a completed quote and we will be waiting here at 7*24.






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