



5083 aluminum sheet is a non-heat-treatable aluminum-magnesium alloy in the 5000 series. It is renowned for its exceptional corrosion resistance, high strength, and excellent weldability, making it one of the preferred alloys for marine, shipbuilding, and industrial applications. 5083 performs exceptionally well in seawater and other harsh environments, providing long-term structural reliability.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5083 |
| Chemical Composition (%) | Mg 4.0–4.9, Mn 0.4–1.0, Cr 0.05–0.25, Fe ≤ 0.5, Si ≤ 0.25, Cu ≤ 0.10, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 5000 Series (Al-Mg) |
| Temper | O, H32, H34, H112 |
| 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-5083, GB/T 3880 |
Description
Features
- Exceptional Corrosion Resistance
Offers superior resistance to seawater, marine atmospheres, and industrial chemical exposure, ensuring long-term durability and minimal maintenance.
- High Mechanical Strength
Provides high strength compared with other 5xxx series alloys, suitable for structural and load-bearing applications.
- Excellent Weldability
Supports TIG, MIG, and spot welding with strong joints and minimal distortion, making fabrication easier.
- Good Formability
Can be bent, rolled, or formed into complex shapes while maintaining structural integrity.
- Durable and Stable Performance
Maintains mechanical properties and corrosion resistance under prolonged service conditions, even in harsh environments.
Applications
- Marine and shipbuilding panels.
- Vehicle and trailer bodies.
- Storage tanks and pressure vessels.
- Roofing and architectural panels.
- Industrial machinery and structural components.
















