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Nichrome resistance wire

Nichrome resistance wire

Place of Origin : China
Brand Name : KINGWAY
Model Number : 007
Packaging Details : Spools, coils, or customer’s request
Payment Terms : L/C,T/T
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Nichrome wires

Main characteristics of Nichrome electric heating wires


Alloy Nomenclature
Performance

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30


Main
Chemical
composition

Ni

Rest

Rest

55.0-61.0

34.0-37.0

30.0-34.0


Cr

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


Max. continuous service temp. of element

1200

1250

1150

1100

1100


Resistivity at 20ºC (μΩ·m)

1.09

1.18

1.12

1.0

1.04


Density (g/cm3)

8.40

8.10

8.20

7.90

7.90


Thermal conductivity(KJ/m·h·ºC)

60.3

45.2

45.2

43.8

43.8


Coefficient of lines expansion(α×10-6/ºC)

18.0

17.0

17.0

19.0

19.0


Melting point (approx.)( ºC)

1400

1380

1390

1390

1390


Elongation at rupture (%)

>20

>20

>20

>20

>20


Micrographic structure

austenite

austenite

austenite

austenite

austenite


Magnetic properties

nonmagnetic

nonmagnetic

Weak magnetic

Weak magnetic

Weak magnetic



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