Core Advantage: A High-Performance Al-Mg Alloy Engineered for Harsh Marine Environments

5086 aluminum alloy belongs to the 5xxx series (Al-Mg alloys), with magnesium content typically between 3.5-4.5%. It is a non-heat-treatable anti-rust aluminum alloy . Compared to common aluminum alloys, 5086 excels in seawater corrosion resistance, fatigue vibration resistance, and low-temperature toughness . It is an ABS-certified marine material and a specified material for LNG storage tanks and missile structural components  .

We provide more than just aluminum plates; we offer material assurance for your marine engineering and extreme environment applications.

Why Choose 5086 Aluminum Plate?

1、Superior Seawater Corrosion Resistance

5086 aluminum plates possess natural immunity to high-salt marine environments, with a dense oxide film effectively blocking chloride ion erosion . In shipbuilding, offshore platforms, and coastal construction, it is an ideal substitute for ordinary steel structures  .

2、Excellent Fatigue Vibration Resistance

5086 offers exceptional elastic modulus and fatigue resistance, maintaining structural stability in high-vibration environments . This makes it the preferred material for ship engine components, missile launchers, and transportation equipment chassis  .

3、Good Low-Temperature Toughness

At cryogenic temperatures down to -196°C, 5086 not only avoids embrittlement but actually increases in both strength and toughness, making it a core material for LNG storage tanks and Arctic equipment  .

4、Excellent Weldability and Formability

As an aluminum-magnesium alloy, 5086 can be reliably welded using standard processes like MIG and TIG, with high weld strength coefficients suitable for large welded structures  . It also offers excellent formability, easily bending and forming complex components  .

5、Anodizable Surface Treatment

5086 is highly compatible with anodizing processes, forming a uniform and attractive protective layer that further enhances corrosion resistance, suitable for outdoor and decorative applications  .

Common Tempers

Key Application Areas

Shipbuilding: Hull structures, decks, bulkheads, keels, marine engine components, offshore platforms  .

Defense & Military: Missile structural components, radio towers, armor plates  .

Energy & Chemical: LNG storage tanks, cryogenic pressure vessels, chemical storage tanks  .

Transportation: Heavy truck chassis, tanker bodies, railway vehicle components .

Construction: Coastal building facades, wind-resistant structures, bridge components .

Industrial Equipment: Vibrating screens, conveying equipment, storage bins .

Technical Specifications

Why Choose Us?

Class-Certified Materials: Supplied 5086 plates meet ABS, DNV, LR classification society standards; classification certificates available .

Multiple Tempers in Stock: Regular inventory of H111, H116, H321 plates in various specifications to meet different processing needs .

Precision Processing Services: Support for cut-to-length, surface brushing, anodizing, and other secondary processing .

Full Quality Control: Strict implementation of PMI analysis and mechanical testing; material certificates and third-party inspection reports available .

Conclusion: From ocean-going vessels sailing vast blue waters to storage tanks holding energy in polar regions, 5086 aluminum plates guard every marine and cryogenic project with their exceptional corrosion resistance and fatigue performance. Contact us today for your tailored 5086 aluminum plate solution!

Note: 5086 and 5083 are both 5xxx series Al-Mg alloys with similar properties. 5086 has slightly lower magnesium content with better formability; 5083 offers slightly higher strength and is more widely used in extra-thick plate applications. Please select the appropriate grade based on your specific operating conditions. For LNG storage tank dedicated or classification society certified materials, please specify in your inquiry.