Nickel Chromium Alloy Ni80Cr20 Heating Wire

Nickel Chromium Alloy Ni80Cr20 Heating Wire
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Product Details

Nickel Chromium Alloy Ni80Cr20 heating wire



Nichrome alloys are in the form of wire and strip for use at 1100~1250(2010°F~2280°F).It is supplied with bright and oxidized surface,spooled and coiled package.They are mainly used in industrial furnace and various heaters,resistors.    

Our Nichrome products are mailly included Ni80Cr20,Ni70Cr30,Ni60Cr15,Ni35Cr20,Ni30Cr20.


Size range

Bright and white wire--0.025mm~3mm

Pickling wire:1.8mm~10mm

Oxidized wire:0.6mm~10mm

Flat wire:thickness 0.05mm~1.0mm,width 0.5mm~5.0mm

Strip:thickness 0.01mm~7.0mm,width 0.5mm~250mm

Other sizes are available upon request.

 

Database

Propertes/Grade

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 Temperature()

1200

1250

1150

1100

1100

Resistivity at 20
(μ Ω · m)

1.09

1.18

1.12

1.04

1.04

Density(g/cm3)

8.4

8.1

8.2

7.9

7.9

Thermal Conductivity

(KJ/m· h· )

60.3

45.2

45.2

43.8

43.8

Coefficient of Thermal Expansion(α × 10-6/)

18

17

17

19

19

Melting Point()

1400

1380

1390

1390

1390

Elongation(%)

> 20

> 20

> 20

> 20

> 20

Micrographic Structure

austenite

austenite

austenite

austenite

austenite

Magnetic Property

Non magnetic

Non magnetic

Non magnetic

Non magnetic

Non magnetic

 Standards

Nichrome alloy is supplied according to Chinese standard GB/T 1234-2012 and the other following standards shown below.

 

ASTM(American Society for Testing and Materials):B344-01             

DIN(Deutsche Industry Normen):DIN 17470-1984

JIS(Japanese Industrial Standards):C2520-1999

 


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