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heating alloy wire
heating alloy wire

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Our high resistance electric heating alloy has a wide range of temperatures. The highest temperature can be1,400 degree C.

 

 

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

Melting point
(approx.)

1400

1380

1390

1390

1390

Density
g/cm3

8.40

8.10

8.20

7.90

7.90

Resistivity
μΩ.m,20

1.09

1.18

1.12

   

1.0

   

1.04

Elongation
%

≥20

≥20

≥20

≥20

≥20

Thermal
conductivity
KJ/m.h.

60.3

45.2

45.2

43.8

43.8

Coefficient
of linear
expansion
α×10-6/

18.0

17.0

17.0

19.0

19.0

Micrographic
structure

austenite

austenite

austenite

austenite

austenite

Magnetic
properties

non
magnetic

non
magnetic

non
magnetic

weak
magnetic

weak
magnetic

 

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