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Grade: ARMCO® soft ingot
Composition: Fe
Form: Coil
Material: Iron
CAS Number: 7439-89-6
Commodity: Metals
Purity:
99.8%
Thickness:
0.5mm
Coil Width:
49mm
ARMCO® Soft Ingot Iron Coil exhibits exceptionally low carbon content, high magnetic permeability, and outstanding ductility, making it a benchmark material for soft magnetic applications. Its refined composition minimizes impurities, delivering consistent magnetic performance and mechanical stability. Primary applications span electromagnetic devices, transformer cores, and magnetic shielding systems. In advanced engineering, it is used for precision ignition coils, low-loss electrical cores, and components for magnetic resonance imaging equipment. Research benefits from its predictable magneto-mechanical behavior, enabling detailed studies on fatigue resistance, magnetic domain structure, and microstructural effects under cyclic loading. Its combination of magnetic stability and formability ensures reliability in both prototype development and scaled industrial production, maintaining performance across a wide range of electromagnetic environments.
Tolerances
Coil
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 26 |
| Crystal structure | Body centred cubic |
| Electronic structure | Ar 3d⁶ 4s² |
| Valences shown | 2, 3, 4, 6 |
| Atomic weight( amu ) | 55.847 |
| Thermal neutron absorption cross-section( Barns ) | 2.56 |
| Photo-electric work function( eV ) | 4.4 |
| Natural isotope distribution( Mass No./% ) | 58/ 0.3 |
| Natural isotope distribution( Mass No./% ) | 57/ 2.1 |
| Natural isotope distribution( Mass No./% ) | 56/ 91.8 |
| Natural isotope distribution( Mass No./% ) | 54/ 5.8 |
| Atomic radius - Goldschmidt( nm ) | 0.128 |
| Ionisation potential( No./eV ) | 2/ 16.18 |
| Ionisation potential( No./eV ) | 5/ 75.0 |
| Ionisation potential( No./eV ) | 4/ 54.8 |
| Ionisation potential( No./eV ) | 3/ 30.65 |
| Ionisation potential( No./eV ) | 1/ 7.87 |
| Ionisation potential( No./eV ) | Jun-99 |
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Mohs | 04-5 |
| Material condition | Polycrystalline |
| Poisson's ratio | 0.293 |
| Bulk modulus( GPa ) | 169.8 |
| Tensile modulus( GPa ) | 211.4 |
| Izod toughness( J m⁻¹ ) | 8-16 |
| Tensile strength( MPa ) | 180-210 |
| Yield strength( MPa ) | 120-150 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 10.1@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0065@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 1.98 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2750 |
| Density( gcm⁻³ ) | 7.87@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1535 |
| Latent heat of evaporation( J g⁻¹ ) | 6095 |
| Latent heat of fusion( J g⁻¹ ) | 272 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 444@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 80.4@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 12.1@0-100°C |
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