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ARMCO® soft ingot Iron Coil
Available Configurations
Properties common to all products in this list
| Length | Other Variant |
|---|---|
| 0.2 m to 5 m | Standard iron |
Need custom configurations? Please contact us.
Key Features
ARMCO® Soft Ingot Iron Coil at 99.8% purity is a high-purity, ultra-low carbon iron strip in a continuous spooled format, engineered for scientific applications that demand controlled magnetic and structural properties:
Very Low Coercivity & High Magnetic Permeability for Precision Magnetic Applications
Very low coercivity and high magnetic permeability make ARMCO® Soft Ingot Iron Coil widely used in magnetic shielding, flux return paths, and transformer lamination manufacture, where the coil format supports continuous, automated production of laminated magnetic components with reliable, well-controlled magnetic response.
Uniform Composition & Minimal Inclusions for Consistent Magnetic Behavior Across the Full Coil Length
Uniform composition and minimal inclusions ensure consistent magnetic behavior across the full coil length — a critical requirement in applications where batch-to-batch or position-dependent variation in magnetic response would compromise device performance, particularly in precision instrumentation and sensor manufacture.
Ultra-High Vacuum Compatibility & Ease of Cold Forming
The alloy's compatibility with ultra-high vacuum (UHV) systems and ease of cold forming further support its integration into magnetic field control components for sensitive research platforms, allowing the coil to be formed into precision magnetic components without compromising UHV system cleanliness.
Continuous Coil Format for Lamination Strip & Magnetic Shielding Production
The continuous spooled format directly supports continuous lamination strip production, magnetic shielding manufacture, and flux return path fabrication — providing the uninterrupted length and consistent thickness required for high-volume, automated production of laminated magnetic components.
Reproducible Ultra-Low Carbon Substrate for Cryogenics, Spintronics & Beamline Research
In research, ARMCO® Soft Ingot Iron Coil is used in cryogenics, spintronics, and particle beamline assemblies wherever a reproducible, ultra-low carbon magnetic substrate is required — supporting experimental programs where consistent, well-characterized magnetic response across the coil length is essential.
Industrial Applications
ARMCO® Soft Ingot Iron Coil is used across magnetic shielding manufacture, transformer production, and advanced physics research wherever a continuously processed, ultra-low carbon, high-permeability iron strip is required:
- ✦ Continuous Lamination Strip Production
- Used in continuous lamination strip production, where the coil format's uninterrupted length and ARMCO® soft ingot iron's very low coercivity and high magnetic permeability support automated, high-volume manufacture of transformer laminations with consistent magnetic performance across each laminated layer.
- ✦ Magnetic Shielding Manufacture
- Applied in magnetic shielding manufacture, where the alloy's high magnetic permeability and uniform composition across the full coil length ensure reliable, predictable magnetic shielding performance in components fabricated from continuous coil stock.
- ✦ Flux Return Path Fabrication
- Used in flux return path fabrication, where ARMCO® soft ingot iron's very low coercivity and high permeability provide efficient magnetic flux conduction in components requiring minimal magnetic loss and consistent performance across the fabricated flux path.
- ✦ Magnetic Field Control Components for Sensitive Research Platforms
- Used in magnetic field control components for sensitive research platforms, where the alloy's UHV compatibility and ease of cold forming support direct integration into precision experimental apparatus requiring well-controlled, reproducible magnetic field behavior.
- ✦ Cryogenics, Spintronics & Particle Beamline Research
- Used in research applications spanning cryogenics, spintronics, and particle beamline assemblies, where a reproducible, ultra-low carbon magnetic substrate is required — with ARMCO® soft ingot iron coil's uniform composition and minimal inclusions providing the consistency needed for reliable experimental magnetic behavior.
Material 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 |
| 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 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 10.1@20°C |
| Temperature coefficient( K⁻¹ ) | 0.0065@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 1.98 |
| Element | Value |
|---|---|
| Boiling point( C ) | 2750 |
| Density( gcm⁻³ ) | 7.87@20°C |
| 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 |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Coil Width | <100mm | ±1mm |
| Coil Width | >=100mm | +2% / -1% |
| Length | +10% / -0% |