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Iron Coil
Available Configurations
Properties common to all products in this list
| Thickness | Coil Width | Length | Other Variant |
|---|---|---|---|
| 0.025 mm to 0.5 mm | 120 mm to 305 mm | 0.5 m to 50 m | ARMCO® |
Need custom configurations? Please contact us.
Key Features
Iron Coil is a continuous spooled format of one of the most extensively characterized engineering metals, offering a body-centered cubic structure, tensile strength of 180–210 MPa, and density of 7.87 g/cm³ in a configuration suited to roll-to-roll processing and automated fabrication:
Well-Documented Baseline Properties as the Reference Engineering Metal
Iron Coil provides the consistent, well-documented baseline properties that make iron the reference material against which many alloy systems are developed and tested — a role that underpins its widespread use in comparative materials studies and alloy development work across the steel and ferrous metals industry.
High Melting Point (1535 °C) with Well-Characterized Electrical Resistivity (10.1 µΩ·cm)
A melting point of 1535 °C combined with an electrical resistivity of 10.1 µΩ·cm gives Iron Coil the thermal and electrical performance baseline required for magnetic property testing strips and other applications where iron's well-documented behavior provides a reliable reference against which test results are evaluated.
Continuous Coil Format for Roll-to-Roll Processing & Automated Fabrication
The coil format supports continuous production of formed components, magnetic test strips, and laminated structures where uninterrupted length and consistent thickness across the roll are operational requirements — enabling high-volume automotive and construction component fabrication without the dimensional variation of cut sheet.
Tensile Strength 180–210 MPa for Structural & Formed Component Applications
A tensile strength of 180–210 MPa provides the mechanical performance baseline for industrial equipment manufacture and formed component fabrication, where iron's well-characterized mechanical behavior supports predictable performance in structural and load-bearing applications across automotive and construction sectors.
Reproducible Substrate for Corrosion, Magnetic & Alloy Development Research
In research, Iron Coil provides a reproducible substrate for corrosion studies, magnetic characterization, and alloy development work across consistent, well-defined lengths — supporting systematic investigation where iron's well-documented baseline behavior serves as the reference point for evaluating new alloy compositions or surface treatments.
Industrial Applications
Iron Coil is used across automotive manufacturing, construction, industrial equipment production, and materials research wherever a continuously processed, well-characterized engineering metal strip is required:
- ✦ Automotive & Construction Component Fabrication
- Used in automotive and construction component fabrication, where Iron Coil's well-characterized tensile strength of 180–210 MPa and the coil format's dimensional consistency support high-volume production of formed structural and mechanical components across both industries.
- ✦ Industrial Equipment Manufacture
- Applied in industrial equipment manufacture, where the coil format's continuous, uninterrupted length enables automated fabrication of formed components and assemblies, with iron's well-documented mechanical and thermal properties providing predictable performance across the manufactured equipment's service life.
- ✦ Magnetic Property Testing Strips
- Used as magnetic property testing strips, where Iron Coil's well-characterized magnetic baseline behavior provides a reliable reference material for evaluating magnetic test methods, instrumentation calibration, and comparative magnetic property studies across the consistent coil length.
- ✦ Laminated Structure Production
- Used in laminated structure production, where the coil format's consistent thickness across the roll supports the dimensional uniformity required for multi-layer laminated component fabrication in both industrial and research applications.
- ✦ Corrosion Studies, Magnetic Characterization & Alloy Development Research
- Used in research to provide a reproducible substrate for corrosion studies, magnetic characterization, and alloy development work across consistent, well-defined lengths — supporting systematic comparative studies where iron's established baseline properties serve as the reference point for evaluating new materials and surface treatments.
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% |