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Home > Products > Custom Fabrication Services > Nickel Wire > Oxidation heating wire, The oxidation electric resistance wire Cr20Ni80

Oxidation heating wire, The oxidation electric resistance wire Cr20Ni80

Basic Info

Model No.: SYWD

Product Description

Oxidation heating wire, The oxidation electric resistance wire Cr20Ni80     Product Description      heating resistance wire 1. small moq
2. all sizes available
3. short delivery time
4. competitive price  
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

nonmagnetic

Weak magnetic

Weak magnetic

 

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