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5052 Aluminum Foil/Sheet
Available Configurations
Properties common to all products in this list
| Size | Other Grade |
|---|---|
| 10 x 10 mm to 150 x 150 mm |
1xxx 2xxx 3xxx 4xxx 5xxx 6xxx 7xxxx 8xxxx |
Need custom configurations? Please contact us.
Key Features
5052 Aluminum Foil (Al 97.5/Mg 2.5, UNS A95052) is a work-hardened aluminum-magnesium alloy foil supplied in the H32 temper, combining moderate strength, excellent corrosion resistance in marine and industrial chemical environments, and good formability:
Solid-Solution Strengthening from Magnesium Addition
The 2.5% magnesium content strengthens the alloy through solid-solution hardening, delivering tensile strength of 228 MPa and hardness of 60 HBW in the H32 temper. This is substantially stronger than commercially pure 1xxx series aluminum foil while retaining the formability and thermal properties needed for a broad range of engineering applications.
Excellent Corrosion Resistance in Marine and Chloride Environments
The magnesium addition substantially improves resistance to saltwater and chloride exposure relative to commercially pure 1xxx series foils, establishing 5052 as the standard aluminum alloy for marine electronics shielding and corrosion-resistant barrier applications. The alloy maintains integrity in industrial chemical environments where purer aluminum grades would suffer accelerated attack.
Good Formability
Elongation of 12–18% in the H32 temper supports demanding forming operations including deep drawing, bending, and roll-to-roll processing without fracture, making the foil suitable for flexible barrier elements, panel facing, and formed shielding components.
Good Thermal Performance
Thermal conductivity of 138 W/m·K and density of 2.68 g/cm³ provide a useful combination of thermal dissipation capability and low mass for thermal management shielding and lightweight panel facing applications.
Good Electrical Properties
Electrical resistivity of 4.99 µΩ·cm gives 5052 foil useful electrical conductivity for shielding applications, while remaining in the aluminum-magnesium alloy range that is workable and corrosion-resistant in aggressive service environments.
Industrial Applications
5052 Aluminum Foil is used across marine, aerospace, transport, and thermal management applications wherever the combination of moderate strength, formability, and corrosion resistance in chloride-containing environments determines material selection:
- ✦ Corrosion-Resistant Packaging Barriers
- Used as corrosion-resistant packaging barrier foil in marine and industrial environments, where the alloy’s improved chloride resistance relative to commercially pure aluminum extends barrier service life in aggressive storage and transit conditions.
- ✦ Marine Electronics Shielding and Housings
- Applied as EMI shielding and housing material in marine electronics, where excellent resistance to saltwater and chloride exposure allows reliable long-term service in coastal, offshore, and naval environments where other aluminum alloys would corrode prematurely.
- ✦ Flexible Barrier Elements in Cryogenic Insulation Systems
- Used as flexible barrier elements in cryogenic insulation systems, where the combination of formability, low density, and maintained mechanical properties at low temperatures qualifies 5052 for multi-layer insulation assemblies and vapour barrier applications.
- ✦ Lightweight Aerospace and Transport Panel Facing
- Applied as lightweight panel facing in aerospace and transport structures, where moderate strength, low density of 2.68 g/cm³, and good formability support efficient structural facing at lower mass than denser alloy alternatives.
- ✦ Thermal Management Shielding
- Used as thermal management shielding in electronic and power systems, where the combination of thermal conductivity of 138 W/m·K, low density, and corrosion resistance supports reliable heat spreading and shielding in service environments.
- ✦ Corrosion Characterization and Electrochemical Research
- Serves as a model aluminum-magnesium alloy for corrosion characterization in marine and chloride-containing environments, a substrate for electrochemical deposition and surface treatment investigations, and as a representative 5xxx series alloy for mechanical property and microstructure studies at ambient and cryogenic temperatures.
Material Properties
| Element | Value |
|---|---|
| Hardness - Brinell( HBW ) | 60 |
| Elongation at break( % ) | 12-18 |
| Modulus of elasticity( GPa ) | 70.3 |
| Tensile strength( MPa ) | 228 |
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 4.99 |
| Element | Value |
|---|---|
| Melting point( C ) | 607-649 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 138 |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23.8 |
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 2.68 |
Tolerances
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
| Linear dimension | <100mm | ±1mm |
| Linear dimension | >=100mm | +2 / -1% |