Iron/Nickel Alloy Disk (Fe55/Ni45)

Iron Nickel Alloy Disk (Fe55/Ni45) offers a balance of soft magnetic properties, oxidation resistance, and thermal stability in a flat, circular form. The alloy’s composition makes it suitable for precision magnetic devices, calibration tools, and vibration-resistant mounts. Industries utilize this alloy disk in aerospace gyroscopes, magnetic shielding assemblies, and optical support systems requiring stable mechanical and magnetic behavior. Research applications include planar magnetic testing, structural fatigue analysis, and alloy characterization for advanced sensors. The disk form provides consistent thickness and geometry, ensuring uniform magnetic and mechanical response in controlled setups. Its ability to couple mechanical robustness with predictable electromagnetic performance makes it a key material for high-precision engineering and research environments.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Disc

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

Material Properties for Alloys

Magnetic Properties

Element	Value
Initial permeability	6000
Maximum permeability	40000
Coercivity (Hc)( A m⁻¹ )	8
Curie temperature( C )	450
Remanence from saturation (Brem)( T )	1
Saturation Induction( T )	1.6

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	45
Temperature coefficient( K⁻¹ )	-

Thermal Properties

Element	Value
Melting point( C )	1400-1450
Specific heat( J K⁻¹ kg⁻¹ )	460@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	13@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	7@20-100°C