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Aluminum Coil
Available Configurations
Properties common to all products in this list
| Purity | Thickness | Coil Width | Length | Temper ⓘ | Other Grade |
|---|---|---|---|---|---|
| 99% to 99.999% | 0.0045 mm to 0.5 mm | 3.1 mm to 620 mm | 0.1 m to 2000 m | Annealed Hard Half Hard As Rolled |
Al 1050 Al 1199 Al 1200 |
Need custom configurations? Please contact us.
Surface Analysis & Materials Testing
We offer access to a full suite of surface analytical and corrosion testing methods through Suisse Technology Partners AG, Goodfellow's own ISO 17025 accredited laboratory specializing in aluminum surfaces. The methods below are available as standalone testing services or as part of a broader materials characterization program.
Key Features
Aluminum Coil is available in purity grades from 99% to 99.999% (5N), with thicknesses from 0.0045 mm to 0.5 mm, widths from 3.1 mm to 620 mm, and lengths up to 2000 m in annealed, half-hard, hard, and as-rolled tempers — delivering aluminum's material properties in a continuous-feed format:
Continuous-Feed Geometry
Supplied in lengths up to 2000 m on a single reel, aluminum coil provides uninterrupted material feed without the joins, handling steps, and batch boundaries inherent to sheet-form supply — a geometric property that directly enables roll-to-roll processing, continuous coating, and long-run electrode fabrication operations.
Tight Thickness Tolerances Maintained Across Full Length
Thickness tolerances of ±25% below 0.01 mm, ±15% from 0.01–0.05 mm, and ±10% above 0.05 mm are maintained across the full coil length — ensuring that properties dependent on gauge, such as electrical resistance per unit length and capacitor electrode area, remain consistent from the start to the end of a production or experimental run.
High Electrical & Thermal Conductivity
Electrical resistivity of 2.67 µΩ·cm at 20 °C and thermal conductivity of 237 W/m·K are maintained across all purity grades available in coil form — with conductivity improving at 5N as trace impurity scattering is reduced, relevant to current collector and precision conductor applications where resistivity uniformity along the coil length matters.
Low Density
At 2.70 g/cm³, aluminum coil offers a significant mass advantage over copper coil at equivalent gauge and conductivity — a property that is preserved across all purity grades and relevant to lightweight cable wrapping, shielding, and electrode applications where reel weight and handling are practical constraints.
Naturally Passivating Oxide Layer
The self-limiting Al₂O₃ surface layer provides corrosion resistance without surface treatment and is present uniformly across the full coil length. At 99.99% and above, the oxide layer becomes thinner and more chemically uniform — a property relevant to anodization consistency in roll-to-roll processing where surface chemistry must be stable across extended lengths.
Wide Temper Range
Available in fully annealed, half-hard, hard, and as-rolled tempers — with tensile strength from 50–90 MPa (soft) to 130–195 MPa (hard) — enabling selection of the mechanical stiffness and formability required for downstream slitting, winding, lamination, or coating operations independently of purity grade.
Industrial Applications
Aluminum Coil is used in continuous and roll-to-roll processing across energy storage research, nanofabrication, HVAC, electronics, and industrial manufacturing — where the coil format provides the length, consistency, and feed compatibility that sheet stock cannot:
- ✦ Continuous Lamination, Cable Wrapping & HVAC Duct Facing
- Commercial-grade coil supplies the consistent strip geometry, corrosion resistance, and barrier performance required in continuous lamination lines, cable shielding wraps, and HVAC duct facing — where high-volume throughput and reliable mechanical properties across full coil lengths determine process economics and product performance.
- ✦ High-Volume Capacitor Electrode Production
- Commercial and mid-purity coil grades provide the dimensional consistency and surface quality required for continuous capacitor electrode slitting and winding — where thickness variation across a coil directly affects capacitance uniformity across a production batch.
- ✦ Roll-to-Roll Anodic Aluminum Oxide (AAO) Membrane Production
- 99.99% coil enables continuous roll-to-roll anodization for the production of AAO membranes and nanostructured surfaces at lengths impractical with sheet stock — where purity governs pore ordering and film uniformity, and the coil format ensures that nanostructure quality is maintained without interruption across extended processing runs.
- ✦ Lithium-Ion Battery Current Collector Fabrication
- 5N coil supplies precision current collector material for lithium-ion battery research and pilot-scale fabrication — combining high conductivity, controlled microstructure, and low impurity content in a format that supports continuous electrode coating and cutting operations with the batch-to-batch reproducibility that research-grade work requires.
- ✦ Thin-Film Deposition Substrates
- 5N coil provides continuous substrate material for thin-film deposition processes where extended substrate length, consistent surface quality, and low impurity content must all be maintained across the full run — supporting research and pilot production in semiconductor, photovoltaic, and advanced coating applications.
Synonyms
Material Properties
| Element | Value |
|---|---|
| Atomic number | 13 |
| Crystal structure | Face centred cubic |
| Electronic structure | Ne 3s² 3p¹ |
| Valences shown | 3 |
| Atomic weight( amu ) | 26.98154 |
| Thermal neutron absorption cross-section( Barns ) | 0.232 |
| Photo-electric work function( eV ) | 4.2 |
| Atomic radius - Goldschmidt( nm ) | 0.143 |
| Ionisation potential( No./eV ) | 6/ 190 |
| Ionisation potential( No./eV ) | 2/ 18.8 |
| Ionisation potential( No./eV ) | 1/ 5.99 |
| Ionisation potential( No./eV ) | 3/ 28.4 |
| Ionisation potential( No./eV ) | 5/ 154 |
| Ionisation potential( No./eV ) | 4/ 120 |
| Element | Value |
|---|---|
| Material condition | Soft |
| Material condition | Hard |
| Poisson's ratio | 0.345 |
| Poisson's ratio | 0.345 |
| Bulk modulus( GPa ) | 75.2 |
| Bulk modulus( GPa ) | 75.2 |
| Tensile modulus( GPa ) | 70.6 |
| Tensile modulus( GPa ) | 70.6 |
| Hardness - Vickers( kgf mm⁻² ) | 21 |
| Hardness - Vickers( kgf mm⁻² ) | 35-48 |
| Tensile strength( MPa ) | 50-90 |
| Tensile strength( MPa ) | 130-195 |
| Yield strength( MPa ) | Oct-35 |
| Yield strength( MPa ) | 110-170 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 2.67@20°C |
| Superconductivity critical temperature( K ) | 1.175 |
| Temperature coefficient( K⁻¹ ) | 0.0045@0-100°C |
| Thermal emf against Pt (cold 0C - hot 100C)( mV ) | 0.42 |
| Element | Value |
|---|---|
| Boiling point( C ) | 2467 |
| Density( gcm⁻³ ) | 2.7@20°C |
| Element | Value |
|---|---|
| Melting point( C ) | 660.4 |
| Latent heat of evaporation( J g⁻¹ ) | 10800 |
| Latent heat of fusion( J g⁻¹ ) | 388 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 900@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 237@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23.5@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% |