5059 aluminum sheet is a non-heat-treatable aluminum-magnesium alloy in the 5000 series. It is designed for superior corrosion resistance, high strength, and excellent toughness, particularly in marine and coastal environments. 5059 offers higher strength than 5086 while maintaining excellent resistance to stress corrosion cracking, making it ideal for naval, yacht, and offshore applications.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5059 |
| Chemical Composition (%) | Mg 5.5–6.5, Mn 0.3–1.0, Cr 0.25–0.45, Fe ≤ 0.5, Si ≤ 0.25, Cu ≤ 0.10, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 5000 Series (Al-Mg) |
| Temper | O, H116, H321, H112 |
| Thickness (mm) | 1.0 – 250 |
| Width (mm) | 100 – 2650 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Anodized, Painted, Polished |
| Standard | ASTM B209, EN AW-5059, GB/T 3880 |
Description
Features
- Superior Corrosion Resistance
Provides outstanding resistance to seawater, marine atmospheres, and industrial chemical exposure, ensuring long-term durability.
- High Mechanical Strength
Offers higher strength than conventional 5xxx series alloys such as 5086, suitable for structural and load-bearing applications.
- Excellent Weldability
Supports TIG, MIG, and spot welding with strong joints and minimal distortion.
- Good Formability
Can be formed and fabricated into complex shapes while maintaining structural integrity.
- Stress Corrosion Crack Resistance
Enhanced resistance to stress corrosion cracking compared to other high-strength 5xxx alloys.
Applications
- Naval and yacht hulls.
- Offshore platforms and marine equipment.
- Vehicle and transportation structural components.
- Storage tanks and pressure vessels.
- Industrial machinery and heavy-duty structures.
