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Epoxy-Insulated Nickel/Chromium Alloy Wire (Ni80/Cr20)

Available Configurations

Properties common to all products in this list

Composition: Ni 80/Cr 20 Form: Insulated Wire Material: Nickel/Chromium Commodity: Alloys Conductor Diameter: 0.025mm Insulation: Epoxy Insulation Thickness: 0.004mm
Epoxy-Insulated Nickel/Chromium Alloy Wire (Ni80/Cr20) combines the high electrical resistivity, oxidation resistance, and thermal stability of the Ni80/Cr20 alloy with a durable epoxy coating for enhanced dielectric performance and environmental protection. The Ni80/Cr20 core offers stable resistive properties over a wide temperature range, excellent corrosion resistance, and high mechanical strength at elevated temperatures, making it ideal for use in harsh environments. The epoxy insulation adds abrasion resistance, moisture sealing, and electrical isolation, enabling reliable performance in aerospace, industrial heating, and precision instrumentation applications. Specific uses include resistance heating elements in compact devices, insulated conductors in high-temperature sensors, and mechanically robust wiring in industrial furnaces. In research and advanced manufacturing, Epoxy-Insulated Ni80/Cr20 Wire is valued for its ability to deliver precise, stable electrical performance while withstanding thermal cycling and corrosive atmospheres.

Health hazard/Hazardous to the ozone layer

Serious health hazard

Starting at $262.00 each
No Minimum order Free technical support *Free delivery worldwide

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: Insulated Wire Material: Nickel/Chromium Commodity: Alloys Conductor Diameter: 0.025mm Insulation: Epoxy Insulation Thickness: 0.004mm

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Tolerances

Insulated Wire
Conductor Diameter ±10%
Insulation Thickness Nominal
Length +5% / -1%