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Nickel/Chromium Alloy Disk (Ni80/Cr20)

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Properties common to all products in this list

Composition: Ni 80/Cr 20 Form: Disk Material: Nickel/Chromium Commodity: Alloys Coating: Uncoated Surface Finish: Standard
Nickel Chromium Alloy Disk (Ni80/Cr20) delivers the same high-temperature strength, oxidation resistance, and electrical resistivity of the Ni–Cr family in a precision-machined flat form. This makes it an ideal component for applications where surface uniformity and contact stability are critical. It is widely applied in electronic contacts, heating element terminations, and high-temperature sensor components in aerospace, manufacturing, and electronics industries. Key uses include functioning as terminal plates in resistive heating assemblies, substrates for high-temperature coatings, and contact surfaces in thermal testing apparatus. In research, its predictable thermal expansion and resistance stability make it an invaluable reference material for studying heat transfer, surface oxidation kinetics, and electrical performance under stress. Its form factor and stable performance profile ensure reliable integration into both production systems and experimental setups.

Health hazard/Hazardous to the ozone layer

Serious health hazard

Starting at $153.00 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: Disc Material: Nickel/Chromium Commodity: Alloys Coating: Uncoated Surface Finish: Standard

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Tolerances

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