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Nickel/Chromium Alloy Coil (Ni80/Cr20)

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Composition: Ni 80/Cr 20 Form: Coil Material: Nickel/Chromium Commodity: Alloys Surface Finish: Standard Coating: Uncoated
Nickel Chromium Alloy Coil (Ni80/Cr20) combines high electrical resistivity, excellent oxidation resistance, and mechanical stability at elevated temperatures. The 80–20 Ni–Cr composition makes it particularly suited to continuous operation in high-heat environments without significant degradation. This alloy is extensively used in heating elements, thermal processing equipment, and resistance wires across industrial, laboratory, and manufacturing sectors. Specific technologies benefiting include coiled resistance heaters in furnaces, thermal sealing systems in packaging machinery, and industrial dryers for controlled heat distribution. In research, its consistent resistive properties under cyclic heating make it ideal for developing precision thermal control systems and testing thermal fatigue resistance. The alloy’s reliability, long service life, and process versatility cement its role as a cornerstone in both industrial heating and experimental thermal engineering.

Health hazard/Hazardous to the ozone layer

Serious health hazard

Starting at $264.00 each
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Material Properties

Mechanical Properties
Element Value
Elongation at break( % ) 40
Tensile strength( MPa ) 650-1100
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 108
Temperature coefficient( K⁻¹ ) 0.00005
Thermal Properties
Element Value
Maximum use temperature in air( C ) 1150-1250
Melting point( C ) 1400
Thermal conductivity( W m⁻¹ K⁻¹ ) 13.4@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.4
each

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Available Configurations

Properties common to all products in this list

Composition: Ni 80/Cr 20 Form: Coil Material: Nickel/Chromium Commodity: Alloys Surface Finish: Standard Coating: Uncoated

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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%