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ARMCO® soft ingot Iron Foil/Sheet
Available Configurations
Properties common to all products in this list
| Thickness | Sides | Other Variant |
|---|---|---|
| 0.4 mm to 5 mm | 10 mm to 1000 mm | Standard iron |
Need custom configurations? Please contact us.
Key Features
ARMCO® Soft Ingot Iron Foil is a high-purity, ultra-low carbon iron foil engineered for scientific applications that demand controlled magnetic and structural properties:
Very Low Coercivity & High Magnetic Permeability for Demanding Magnetic Applications
Very low coercivity and high magnetic permeability make ARMCO® Soft Ingot Iron Foil widely used in magnetic shielding, flux return paths, transformer laminations, and low-temperature magnetic measurements — applications that depend on predictable, well-controlled magnetic response from the foil substrate.
Uniform Composition & Minimal Inclusions Ensuring Consistent Magnetic Behavior
Uniform composition and minimal inclusions ensure consistent magnetic behavior, making ARMCO® Soft Ingot Iron Foil suitable for use in cryogenics, spintronics, and particle beamline assemblies where reliable, reproducible magnetic performance is essential to experimental and instrumentation outcomes.
Compatibility with Ultra-High Vacuum (UHV) Systems
The foil's compatibility with ultra-high vacuum (UHV) systems supports its integration into magnetic field control components and sensitive experimental platforms in research laboratories, where vacuum system cleanliness must be maintained alongside reliable magnetic component performance.
Ease of Cold Forming for Integration into Magnetic Field Control Components
Ease of cold forming allows ARMCO® Soft Ingot Iron Foil to be shaped into precision magnetic field control components without specialist processing, supporting practical integration into sensitive experimental platforms that require custom-formed magnetic shielding or flux conduction elements.
Engineered for Scientific Applications Demanding Controlled Magnetic & Structural Properties
ARMCO® Soft Ingot Iron Foil is specifically engineered for scientific applications that demand controlled magnetic and structural properties — providing a foil substrate where both magnetic response and mechanical behavior are well-characterized and reproducible for demanding research applications.
Industrial Applications
ARMCO® Soft Ingot Iron Foil is used across magnetic shielding, transformer manufacturing, and advanced physics research wherever a high-purity, ultra-low carbon iron foil with controlled magnetic properties is required:
- ✦ Magnetic Shielding
- Used in magnetic shielding applications, where ARMCO® Soft Ingot Iron Foil's very low coercivity and high magnetic permeability provide reliable, predictable shielding performance in components requiring well-controlled magnetic response.
- ✦ Flux Return Paths & Transformer Laminations
- Applied in flux return paths and transformer laminations, where the foil's high permeability and uniform composition ensure efficient, consistent magnetic flux conduction across laminated and flux-conducting components in transformer and magnetic device manufacture.
- ✦ Low-Temperature Magnetic Measurements
- Used in low-temperature magnetic measurements, where the foil's consistent magnetic behavior provides a reliable substrate for cryogenic magnetic property characterization where measurement accuracy depends on well-controlled, reproducible material magnetic response.
- ✦ Magnetic Field Control Components & Sensitive Experimental Platforms
- Used in magnetic field control components and sensitive experimental platforms in research laboratories, where UHV compatibility and ease of cold forming support direct integration into precision research apparatus requiring custom-formed magnetic elements.
- ✦ Cryogenics, Spintronics & Particle Beamline Assemblies
- Used in cryogenics, spintronics, and particle beamline assemblies, where the foil's uniform composition and minimal inclusions provide the consistent, reproducible magnetic behavior essential to reliable performance across these demanding scientific research environments.
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% |
| Linear dimension | <100mm | ±1mm |
| Linear dimension | >=100mm | +2 / -1% |