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.
Description
Yutwin New Materials specializes in the production of aluminum sheets and coils in a wide range of alloys, grades, and specifications, offering stable quality, flexible customization, and reliable supply to meet the diverse needs of different industries.
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.
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 |
Common Aluminum Surface Treatments
Polishing
Polishing uses mechanical grinding, chemical, or electrochemical methods to improve the smoothness and brightness of aluminum surfaces. Polished aluminum features a high-gloss finish and excellent decorative appearance.
Brushing
Brushing is a surface treatment process that creates fine, directional textures on aluminum using abrasive belts or brushes. The brushed surface provides a refined metallic appearance while helping conceal minor scratches.
Coating
Coating applies a protective coating onto the aluminum surface through powder coating, liquid spraying, or other coating methods. It provides excellent weather resistance, corrosion protection, and a wide range of color options. Coated aluminum offers both decorative appeal and long-term durabilit.
Anodizing
Anodizing is an electrochemical process that forms a dense oxide layer on the aluminum surface, improving corrosion resistance, wear resistance, and surface hardness. The oxide layer can also be colored to achieve various finishes.
Sand Blasting
Sand blasting uses high-speed abrasive particles to impact the aluminum surface, creating a uniform matte texture. This process provides a soft metallic appearance, reduces fingerprint marks, and improves coating adhesion for subsequent finishing processes.
Embossing
Embossing is a process that forms raised or recessed patterns on aluminum surfaces through rolling or stamping. Common patterns include stucco, diamond, and wood grain textures. Embossed aluminum offers excellent decorative effects, scratch resistance, and certain anti-slip properties.
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.
