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Nickel Chromium NiCr Alloy

Nickel-Chromium materials are widely used in industrial electric furnaces, household appliances, far-infrared devices and other equipment due to their excellent high temperature strength and strong plasticity.
  • Cr10Ni90, Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30
  • FOTMA
  • Material Grade: Cr10Ni90, Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35,
  • Usage: electric heating element, electric soldering etc.
  • Surface: Ground finished
  • Type: Supplied in strip, wire, rod, plate or customized
Quantity:
Nickel-chromium materials are widely used in industrial electric furnaces, household appliances, far-infrared devices and other equipment due to their excellent high temperature strength and strong plasticity. Nickel-chromium and iron, aluminum, silicon, carbon, sulfur and other elements can be made into nickel-chromium alloy wire, which has high resistivity and heat resistance and is the electric heating element of electric furnace, electric soldering iron, electric iron and other products.

In addition, NiCr wire is usually used in the coil of sliding rheostat to protect the circuit and change the current in the circuit by changing the resistance of the access circuit part, thereby changing the voltage across the conductor (electrical appliance) connected in series with it, It is widely used in a large number of household appliances.


Nickel-chromium alloy NiCr Alloy performance tables

NiCr Alloy Performance Cr10Ni90 Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
Composition Ni 90 Rest Rest 55.061.0 34.037.0 30.034.0
Cr 10 20.023.0 28.031.0 15.018.0 18.021.0 18.021.0
Fe
≤1.0 ≤1.0 Rest Rest Rest
Maximum temperature℃ 1300 1200 1250 1150 1100 1100
Meltiing point ℃ 1400 1400 1380 1390 1390 1390
Density g/cm3 8.7 8.4 8.1 8.2 7.9 7.9
Resistivity
1.09±0.05 1.18±0.05 1.12±0.05 1.00±0.05 1.04±0.05
μΩ·m,20℃
Elongation at rupture ≥20 ≥20 ≥20 ≥20 ≥20 ≥20
Specific heat
0.44 0.461 0.494 0.5 0.5
J/g.℃
Thermal conductivity
60.3 45.2 45.2 43.8 43.8
KJ/m.h℃
Coefficient of lines expansion
18 17 17 19 19
a×10-6/
(201000℃)
Micrographic structure
Austenite Austenite Austenite Austenite Austenite
Magnetic properties
Nonmagnetic Nonmagnetic Nonmagnetic Weak magnetic Weak magnetic

ni alloy NiCr alloy rolled strips
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