Iron/Nickel Alloy Rod (Fe55/Ni45)

Iron Nickel Alloy Rod (Fe55/Ni45) combines low thermal expansion, high mechanical robustness, and corrosion resistance in a cylindrical format optimized for precision engineering. The 55% iron, 45% nickel composition offers excellent stability during thermal cycling, making it suitable for aerospace, microelectronics, and optics. Industries employ it in high-precision fixtures, cryogenic probes, and durable structural elements for vacuum and magnetic environments. Specific technologies include housing of sensitive optics, long-life electrode shafts, and expansion-controlled supports for spectroscopic devices. Research applications include characterization of mechanical and thermal stability, alloy optimization for precision systems, and performance testing in high-vacuum environments. The rod form allows for machining, integration, and reliable performance under stress, ensuring its continued role as a key material in advanced industrial and scientific contexts.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

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