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.
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
- 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.
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 |
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
- 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.
