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Composition: Fe 52/Ni 48
Form: Disk
Material: Iron/Nickel
Commodity: Alloys
Temper: Annealed
Thickness: 0.75mm

Iron/Nickel Alloy Disk (Fe52/Ni48)

Iron Nickel Alloy Disk (Fe52/Ni48) provides high dimensional stability, magnetic uniformity, and excellent resistance to thermal expansion in a precisely machined circular form. The near-equal balance of iron and nickel delivers controlled magnetic permeability and mechanical strength, making it well-suited for resonators, precision mounts, and electronic shielding. Industries such as aerospace, defense, and electronics employ this alloy disk in gyroscopic instruments, sensor platforms, and precision optical assemblies. Research applications include thin-film deposition substrates, studies of magnetostrictive effects, and evaluations of thermal fatigue in Ni-rich alloys. The disk geometry ensures reproducible performance across planar assemblies, enabling reliable integration into sensitive systems. Its combination of thermal stability, machinability, and reproducible geometry ensures continued importance in both applied engineering and fundamental materials research.

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Tolerances

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

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) <30
Modulus of elasticity( GPa ) 248
Tensile strength( MPa ) 450-550
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 49
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Maximum use temperature in air( C ) 450
Melting point( C ) 1450
Specific heat( J K⁻¹ kg⁻¹ ) 502@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.7@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.5@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.2

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