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.

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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. ni alloy NiCr alloy rolled strips NiCr Alloy Series Ni90Cr10 strip is kind of nickel-chromium alloy products, it is suitable for temperature applications up to 1250°C. Chromium content provides very good life time, it is usually used as a vape heating element. Ni90Cr10 is characterized by high resistivity, good oxidation resistance, good ductility after use and excellent weldability. NiCr Alloy is a good material for heating industry. Ni90Cr10 Nickel-Chromium Nickel NiCr Alloy resistance heating foil strip Nickel-chromium alloy NiCr Alloy performance tables

NiCr Alloy Performance material

Cr10Ni90

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30

Composition

Ni

90

Rest

Rest

55.0~61.0

34.0~37.0

30.0~34.0

Cr

10

20.0~23.0

28.0~31.0

15.0~18.0

18.0~21.0

18.0~21.0

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

 

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