5A03 aluminum sheet is a non-heat-treatable aluminum-magnesium alloy in the 5000 series. It is highly valued for its excellent corrosion resistance, lightweight performance, and good weldability, making it suitable for marine, transportation, and architectural applications. 5A03 is often used in environments where durability and resistance to seawater or industrial corrosion are critical.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5A03 |
| Chemical Composition (%) | Mg 3.8–4.5, Cr 0.20–0.50, Fe ≤ 0.40, Si ≤ 0.25, Cu ≤ 0.10, Mn ≤ 0.10, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 5000 Series (Al-Mg) |
| Temper | O, H12, H14, H16, H22 |
| Thickness (mm) | 0.5 – 250 |
| Width (mm) | 100 – 2650 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Anodized, Painted, Polished |
| Standard | ASTM B209, EN AW-5A03, GB/T 3880 |
Description
Features
- Excellent corrosion resistance
Performs well in marine, chemical, and industrial environments, ideal for outdoor, coastal, and architectural applications.
- Good mechanical strength
Suitable for structural and decorative applications requiring moderate strength and durability.
- Excellent formability and workability
Can be rolled, bent, stamped, and deep-drawn, suitable for medium-to-thin gauge processing.
- Smooth and uniform surface finish
Ideal for anodizing, painting, coating, embossing, or film lamination for both decorative and functional purposes.
- Good weldability
Compatible with TIG, MIG, and spot welding, ensuring reliable fabrication.
- Lightweight material
Low density helps reduce overall weight while maintaining strength and durability.
Applications
- Marine equipment and shipbuilding panels.
- Vehicle and transportation bodies.
- Architectural panels, roofing, and facades.
- Industrial equipment and structural components.
- Storage tanks and chemical containers.
