High-Strength Alloy Aluminum Sheet For Marine Use 0.5-12mm Thick | MIL-DTL-46027
Marine-Grade High-Strength Aluminum Sheet is engineered to withstand harsh saltwater environments while delivering unmatched durability and lightweight performance. Compliant with the rigorous MIL-DTL-46027 military specification, this alloy sheet is designed for critical marine and offshore applications. Available in thicknesses from 0.5mm to 12mm and custom-cut dimensions, it combines corrosion resistance, weldability, and structural reliability for long-term use in demanding conditions.
Key Selling Points:
- Saltwater Resistance: Advanced anti-corrosive properties, ideal for marine exposure (ASTM G85 salt spray tested).
- High Strength-to-Weight Ratio: Tensile strength up to 290 MPa, reducing weight without compromising load capacity.
- Military Compliance: Meets MIL-DTL-46027 standards for naval and defense applications.
- Eco-Friendly Durability: Fully recyclable and resistant to biofouling, minimizing environmental impact.
- Custom Fabrication: Precision laser/waterjet cutting for complex shapes, edges, or pre-drilled holes.
2. Detailed Specifications
| Parameter | Details |
| Material | Aluminum Alloy 5083-H116 / 5052-H32 (Mg-Mn-Cr Enhanced) |
| Element Composition | Al: 92-95%, Mg: 4.0-4.9%, Mn: 0.4-1.0%, Cr: 0.05-0.25%, Fe: ≤0.4% |
| Thickness | 0.5mm – 12mm (±0.02mm precision tolerance) |
| Sheet Dimensions | Width: 1,000mm – 2,500mm; Length: Custom (max 6,000mm) |
| Temper | H116 (Strain-hardened for marine stability) / H32 (Cold-worked) |
| Surface Treatment | Anodized, Alodine-coated, or marine-grade epoxy primer (optional) |
| Certifications | MIL-DTL-46027, ASTM B928, DNV GL, NORSOK M-001, ISO 14788 |
| Key Applications | Ship hulls, offshore platforms, decking, marine fittings, ballast systems |
3. Advantages of Importing Our Marine Aluminum Sheets
Why Partner With Us?
- Cost Efficiency: 25-30% lower pricing than EU/US suppliers with identical MIL-DTL-46027 compliance.
- Rapid Production: 7–12 days lead time for orders (MOQ: 500kg), including cutting, coating, and certification.
- Zero Defect Guarantee: 100% ultrasonic testing for cracks, porosity, and thickness uniformity.
- Global Certifications: DNV GL and NORSOK approvals for offshore projects in the North Sea, Middle East, and Asia.
- Anti-Corrosion Warranty: 10-year performance guarantee against pitting and crevice corrosion.
- Logistics Expertise: Sea freight with moisture-proof packaging and HS code compliance for smooth customs clearance.
4. Marine & Industrial Applications
| Industry | Use Cases |
| Shipbuilding | Hull plating, bulkheads, gangways, lifeboat davits. |
| Offshore Oil & Gas | Drilling platform walkways, riser guards, subsea equipment housings. |
| Naval Defense | Patrol boat decks, amphibious vehicle frames, missile launch systems. |
| Marine Engineering | Desalination plant components, dock fenders, seawater pipeline supports. |
| Renewable Energy | Tidal turbine blades, offshore wind tower access panels. |
| Transportation | Ferry ramps, cargo ship containers, yacht superstructures. |
FAQ
1.Q:Are you a manufacturer or a trading company?
A:We are a factory, with 12 years’ selling experience.
2.Q:Where is your factory located?
A:Our factory is located in Wuxi city, in Jiangsu Province,China.
3.Q:How can I get a sample?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;
4.Q:What payment options do you offer?
A:Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,Western Union,Cash
5.Q:What are the details of your after sales service?
A:1) We provide the necessary technical support to all of our customers, such as material performance and heat treatment data advice.
2) We provide the appropriate steel material technical parameters for customers in Germany, The USA, Japan, Britain, and other countries.
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