



5182 aluminum sheet is a non-heat-treatable aluminum-magnesium alloy in the 5000 series. It is recognized for its excellent corrosion resistance, high strength among 5xxx series alloys, and superior weldability. 5182 is widely used in the automotive, transportation, and marine industries, especially in applications such as vehicle body panels and roofing where both strength and corrosion resistance are critical.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5182 |
| Chemical Composition (%) | Mg 4.2–4.8, Mn 0.20–0.50, Cr 0.05–0.25, Fe ≤ 0.40, Si ≤ 0.25, Cu ≤ 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-5182, GB/T 3880 |
Description
Features
- Excellent Corrosion Resistance
Provides outstanding resistance to seawater, industrial environments, and atmospheric corrosion, ensuring long-term durability.
- High Mechanical Strength
Offers higher strength than 5052 and 5A05 alloys, suitable for structural and load-bearing applications.
- Good Formability
Can be easily bent, rolled, or shaped while maintaining its structural integrity.
- Excellent Weldability
Supports TIG, MIG, and spot welding with stable joints and minimal distortion.
- Durable and Stable Performance
Maintains mechanical and corrosion-resistant properties over prolonged service life.
Applications
- Automotive body panels (car roofs, hoods, doors).
- Marine equipment and shipbuilding panels.
- Vehicle and trailer bodies.
- Roofing and architectural panels.
- Industrial equipment and structural components.
















