Cr20Ni30 Electric Resistance Wire
Other Grade: Ni70Cr30, Ni80Cr20, Ni60Cr15, Ni35Cr20, Ni30Cr20
Specification: Dia. 0.02~12mm

Cr20Ni30 Electric Resistance Wire Advantages: Deformation ability, thermal stability, mechanical character, shockproof ability in thermal state and anti-oxidization.

Cr20Ni30 Electric Resistance Wire Widely used in electric furnace heating or heat-treating processes in the chemical, mechanical, metallurgical and defense industries.

Cr20Ni30 Electric Resistance Wire Mainly products performances we supplied as following, if you are interested, pls send more information to our email or talk to me by trademanager.

Brand

Property
Cr20Ni80
Cr30Ni70
Cr15Ni60
Cr20Ni35
Cr20Ni30

Major chemical component%
Ni
Margin
Margin
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
Margin
Margin
Margin

Component max. Use temperature
1200
1250
1150
1100
1100

Melting Point
1400
1380
1390
1390
1390

Density g/cm3
8.40
8.10
8.20
7.90
7.90

Resistivity μ Ω @m, 20
1.09± 0.05
1.18± 0.05
1.11± 0.05
1.04± 0.05
1.04± 0.05

Extension rate%
20
20
20
20
20

Specific Heat J/g.
0.440
0.461
0.494
0.500
0.500

Heat Conduction Coefficient KJ/M. H
60.3
45.2
45.2
43.8
43.8

Linear expansion coefficient aX10-6/
18.0
17.0
17.0
19.0
19.0

Microstructure
Austenitic
Austenitic
Austenitic
Austenitic
Austenitic

Magnetic
Non-magnetic
Non-magnetic
Non-magnetic
Non-magnetic
Non-magnetic