Ni80Cr20 Nichrome 80 Heating Wire Mesh

Ni80Cr20 Nichrome Mesh basically consists of 80% Ni and 20% Cr is a resistance to oxidation alloy mesh that is utilized in the high temperature applications. The Ni80Cr20 Nichrome Mesh is used in the production of heating equipments. It has significant competency to produce large heat at the high temperature which is possible due to high temperature electric resistivity.

The Ni80Cr20 Nichrome Mesh has very high melting point of 1400oC and coefficient of electric resistivity at the elevated temperatures.

Mesh Specifications
Mesh Size 0.2Mesh/Inch to 250Mesh/Inch
Thickness 0.1mm-5.0mm


Characteristics of Ni80Cr20 Nichrome Mesh
Material property Value Units
Magnetic Attraction None
Modulus of elasticity 2.2 × 1011 Pa
Specific gravity 8.4 None
Density 8400 kg/m3
Melting point 1400 °C
Electrical resistivity at room temperature 1.0 × 10−6 to 1.5 × 10−6 Ωm
Specific heat 450 Jkg−1°C−1
Thermal conductivity 11.3 Wm−1°C−1
Thermal expansion (20oC to 100oC) 14 × 10−6 °C−1
Temperature Coefficient of Resistivity (25oC to 100oC) 100 ppm/oC

Nickel Chromium alloys Comparison:

Material Cr20Ni80 Cr30Ni70 Cr15Ni60 Cr20Ni35 Cr20Ni30
Component % Ni Remnant Remnant 55.061.0 34.037.0 30.034.0
Cr 20.023.0 28.031.0 15.018.0 18.021.0 18.021.0
Fe ≤1.0 ≤1.0 Remnant Remnant Remnant
Highest temperature 1200 1250 1150 1100 1100
Melting point 1400 1380 1390 1390 1390
Density g/cm3 8.4 8.1 8.2 7.9 7.9
Micro-organization Austenite Austenite Austenite Austenite Austenite
Magnetism Non-magnetism Non-magnetism Non-magnetism Non-magnetism Non-magnetism

Applications of Ni80/Cr20 Nichrome Mesh
1.Automobile heating equipments
2.Fireworks and explosives
3.Commercial electric kilns