Main characteristics of Nichrome electric heating wiresAlloy Nomenclature 
Performance

Cr*0Ni*0

Cr*0Ni*0

Cr*5Ni*0

Cr*0Ni*5

Cr*0Ni*0

Main
Chemical
composition

Ni

Rest

Rest

*5.***1.0

*4.***7.0

*0.***4.0

Cr

*0.***3.0

*8.***1.0

*5.***8.0

*8.***1.0

*8.***1.0

Fe

≤1.0

≤1.0

Rest

Rest

Rest

Max. continuous service temp. of element

***0

***0

***0

***0

***0

Resistivity at *0ºC (μΩ·m)

1.*9

1.*8

1.*2

1.0

1.*4

Density (g/cm3)

8.*0

8.*0

8.*0

7.*0

7.*0

Thermal conductivity(KJ/m·h·ºC)

*0.3

*5.2

*5.2

*3.8

*3.8

Coefficient of lines expansion(α×***6/ºC)

*8.0

*7.0

*7.0

*9.0

*9.0

Melting point (approx.)( ºC)

***0

***0

***0

***0

***0

Elongation at rupture (%)

>*0

>*0

>*0

>*0

>*0

Micrographic structure

austenite

austenite

austenite

austenite

austenite

Magnetic properties

nonmagnetic

nonmagnetic

Weak magnetic

Weak magnetic

Weak magnetic