The 5083 2mm aluminum foil clad aluminum sheet is a high-performance material combining the unique properties of 5083 aluminum alloy with an ultra-thin aluminum foil layer. Widely used in industries requiring corrosion resistance, high strength, and formability, this composite sheet offers an optimized solution for multiple technical applications.
Chemical Composition of 5083 Aluminum Alloy
The 5083 aluminum alloy belongs to the Al-Mg family and is notable for its excellent corrosion resistance and strong mechanical characteristics. Below is the typical chemical composition for 5083 alloy:
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| wt% | 0.4 max | 0.4 max | 0.1 max | 0.4-1.0 | 4.0-4.9 | 0.05-0.25 | 0.25 max | 0.15 max | Balance |
Product Specification
| Parameter | Specification |
|---|---|
| Alloy | 5083 |
| Temper | H111, H22, H24 (Customizable) |
| Thickness | 2 mm |
| Aluminum Foil Thickness | Typically 12-50 μm |
| Width | Up to 2100 mm |
| Length | As per customer requirement |
| Surface Finish | Smooth or Mill finish |
| Density | 2.66 g/cm³ |
| Melting Point | ~590°C |
Features
1. Superior Corrosion Resistance
5083 alloy inherently has outstanding resistance against corrosive environments, especially in seawater and industrial atmospheres. The addition of an outer aluminum foil clad layer adds an extra barrier to protect against oxidation and chemical attack.
2. Excellent Mechanical Strength
The 5083 2mm aluminum clad sheet features a high tensile strength (~280-350 MPa, depending on temper) which ensures a robust base for engineering applications where weight and strength are critical.
3. Lightweight with High Formability
With its lower density compared to steel and improved elongation properties due to the Mg content, this alloy can be shaped, bent, or formed into complex geometries without cracking.
4. Enhanced Thermal and Electrical Conductivity
The thin aluminum foil clad adds improved surface conductivity, making it an excellent choice for thermal management solutions.
5. Anti-Rust and Protective Coating
The clad layer acts as a sacrificial barrier against rusting, reducing maintenance costs and extending the lifecycle of fabricated products.
Applications
Marine and Shipbuilding
The alloy is favored for constructing hulls, superstructure panels, and bulkheads. Its seawater corrosion resistance preserves structural integrity over long durations.
Aerospace Industry
Used in lightweight aircraft structures, where strength-to-weight ratio and corrosion resistance are crucial for operational safety and efficiency.
Automotive Manufacturing
Applied for heat exchangers, battery casings, and other components requiring both good shielding and lightness.
Food and Pharmaceutical Packaging
The foil clad’s non-reactive surface ensures protection from contamination, suited for manufacturing hygienic packaging solutions.
Chemical and Oil Refinery Equipment
Often utilized in piping, tanks, and containers exposed to corrosive chemical environments, the clad layer enhances durability.
Electronics and Thermal Management
Excellent for heat sinks, printed circuit board (PCB) substrates, and shielding where dissipating heat quickly is necessary.
