Lightweight Alloy Aluminum Sheet 5083 Saltwater Resistance Shipbuilding Trailers
Our 5083 Alloy Aluminum Sheet is a marine-grade material engineered to excel in saltwater environments and heavy-duty transportation applications. Compliant with ASTM B209 and EN 485 standards, this lightweight yet robust sheet offers exceptional corrosion resistance, weldability, and structural integrity. Available in thicknesses from 3mm to 50mm, it is the preferred choice for shipbuilders, trailer manufacturers, and offshore engineers seeking durability in harsh conditions.
Key Selling Points:
- Superior Saltwater Resistance: Magnesium-manganese alloy resists pitting and crevice corrosion (ASTM G67 tested).
- High Strength-to-Weight Ratio: Tensile strength up to 290 MPa, ideal for load-bearing marine structures.
- Easy Fabrication: Excellent weldability and formability for complex designs.
- Low Maintenance: No protective coatings needed, reducing lifecycle costs.
- Eco-Friendly: 100% recyclable and REACH/RoHS compliant.
2. Detailed Specifications
| Parameter |
Details |
| Material |
Aluminum Alloy 5083-H116/H321 (Al-Mg-Mn 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 |
3mm – 50mm (±0.1mm tolerance) |
| Sheet Dimensions |
Width: 1,000mm – 2,500mm; Length: Custom (max 12,000mm) |
| Temper |
H116 (Strain-hardened for marine stability) / H321 (Thermally stabilized) |
| Surface Finish |
Mill finish, anodized, or marine-grade epoxy primer (optional) |
| Certifications |
ASTM B209, EN 485, DNV-GL, ABS, NORSOK M-001 |
| Primary Applications |
Ship hulls, trailer beds, offshore platforms, fishing boat decks |
3. Advantages of Importing Our 5083 Aluminum Sheets
Why Partner With Us?
- Cost Leadership: 20-25% lower pricing than EU/US suppliers with full DNV-GL compliance.
- Fast Turnaround: 10–15 days lead time for standard sizes (MOQ: 2 tons).
- Quality Assurance: Ultrasonic testing for internal defects; salt spray tested per ASTM B117.
- Custom Fabrication: Laser/plasma cutting, beveling, or edge treatments per your specs.
- Global Logistics: Seaworthy packaging with anti-corrosion VCI film and HS code support.
- Technical Expertise: Free material selection guides and welding procedure specifications.
4. Marine & Transportation Applications
| Industry |
Use Cases |
| Shipbuilding |
Hull plating, bulkheads, deck panels, superstructures. |
| Trailer Manufacturing |
Flatbed trailers, tanker trailers, car carrier frames. |
| Offshore Engineering |
Oil rig walkways, subsea equipment housings, buoyancy tanks. |
| Marine Infrastructure |
Dock fenders, seawall panels, bridge components. |
| Defense |
Patrol boat hulls, amphibious vehicle chassis. |
| Renewable Energy |
Tidal turbine platforms, offshore wind tower access ladders. |
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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