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PTFE/PFA Insulated Heating Wire Cr20Ni80 Alloy Resistance Wire For Vacuum Furnaces

Changzhou DLX Alloy Co., Ltd.

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PTFE/PFA Insulated Heating Wire Cr20Ni80 Alloy Resistance Wire For Vacuum Furnaces

Country/Region china
City & Province changzhou jiangsu
Categories Metal Slabs
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Product Details

 


  • Cr20ni80 Heating Resistance Wire

In resistance heaters, Cr20Ni80 resistance wire is a commonly used heating element material. It is composed of 20% chromium and 80% nickel, with excellent electrical resistance characteristics and high temperature stability, suitable for various heating applications. 


  • Material Characteristics

1. Cr20Ni80 resistance wire has excellent electrical properties and thermal stability, performing well in vacuum environments.
2. Its oxidation resistance and corrosion resistance make it suitable for long-term stable operation in vacuum furnaces.

  • Uniform Heating

1. Using Cr20Ni80 resistance wire as heating elements in vacuum furnaces can achieve highly uniform heating effects.
2. Since there is no convection or conduction in a vacuum environment, the uniform heating characteristics of the resistance wire are crucial for ensuring the uniformity of materials during heating.

  • High Temperature Stability

1. Cr20Ni80 resistance wire can work stably at high temperatures for extended periods, maintaining its resistance characteristics and heating effects.
2. This makes Cr20Ni80 resistance wire an ideal heating element material for vacuum furnaces, suitable for various high-temperature treatment and sintering processes.

  • Application Areas

1. Cr20Ni80 resistance wire is widely used in vacuum furnaces in laboratories and industries for sintering, annealing, heat treatment, and other processes.
2. In fields such as materials science, electronic materials, and powder metallurgy, vacuum furnaces are important experimental and production equipment, with Cr20Ni80 resistance wire being a key component.


  • Nickel-chromium alloy performance tables
Performance materialCr10Ni90Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
CompositionNi90RestRest55.061.034.037.030.034.0
Cr1020.023.028.031.015.018.018.021.018.021.0
Fe--≤1.0≤1.0RestRestRest
Maximum temperature130012001250115011001100
Meltiing point 140014001380139013901390
Density g/cm38.78.48.18.27.97.9
Resistivity--1.09±0.051.18±0.051.12±0.051.00±0.051.04±0.05
μΩ·m,20
Elongation at rupture≥20≥20≥20≥20≥20≥20
Specific heat--0.440.4610.4940.50.5
J/g.
Thermal conductivity--60.345.245.243.843.8
KJ/m.h
Coefficient of lines expansion--1817171919
a×10-6/
(201000℃)
Micrographic structure--AusteniteAusteniteAusteniteAusteniteAustenite
Magnetic properties--NonmagneticNonmagneticNonmagneticWeak magneticWeak magnetic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


  • The Form we could offer 
Size Range
 
Wire
dia 0.03-7.5mm
dia 8.0-12.0mm
Ribbon
(0.05-0.35)*(0.5-6.0)mm
Strip
(0.50-2.5)*(5-180)mm
Rod
8-50mm
 

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