Marine 5083 aluminum plate extra wide size
As a representative of the Al-Mg alloy series, 5083 marine aluminum plate is widely regarded as a core material in modern shipbuilding thanks to its excellent corrosion resistance, weldability, and moderate strength. The ultra-wide format (width ranging from 2400 to 3100 mm, thickness from 3 to 50 mm) significantly enhances construction efficiency and safety for large vessels such as LNG carriers and container ships by reducing the number of welds and improving structural integrity.
With the growing demand for lightweight and weather-resistant solutions in marine engineering, 5083 ultra-wide aluminum plates are increasingly used in decks, tanks, and gas storage cylinders. Leading domestic manufacturers now employ advanced internal stress control techniques to ensure precision cutting without deformation, accelerating its adoption in complex segmented ship construction.
Why Use Ultra-Wide Aluminum Plates in Shipbuilding?
1. Fewer welds: Ultra-wide plates dramatically reduce the number of longitudinal and transverse weld seams, improving weld quality and productivity.
2. Enhanced structural integrity: Fewer joints mean stronger, more fatigue-resistant hull structures.
3. Labor and time savings: Reduced welding and joint processing lower labor requirements and shorten construction timelines.
4. Optimized layout: Ideal for complex curved hulls, ultra-wide plates reduce material waste and improve design flexibility.
5. Improved appearance and performance: Minimal weld deformation and fewer seams lead to a smoother, more aesthetically pleasing finish.
5083 Ultra-Wide Aluminum Plate Specifications
| Alloy | 5083 |
| Temper | O, H32, H34, H111, H112, etc. |
| Thickness | 3–50 mm |
| Width | 2000–2650 mm (customizable) |
| Length | 4000–12000 mm (customizable) |
| Certifications | DNV, CCS, ABS, BV classification society certificates |
Mechanical Properties of Marine-Grade Ultra-Wide Aluminum Plate
| Tensile Strength (Rm) | ≥275 MPa |
| Yield Strength (Rp0.2) | ≥125 MPa |
| Elongation (A50) | ≥12% |
| Density | 2.66 g/cm³ |
| Thermal Conductivity | 121 W/m·K |
Typical Applications
Lightweight, high-strength naval vessels and patrol boats
High-speed Ro-Ro ships and ferries
LNG carriers, container ship hull structures
Yachts, workboats, fishery law enforcement vessels
Offshore platform decks, hatch covers, bottom plates
MC Aluminum is a large-scale aluminum processing manufacturer specializing in marine-grade aluminum plates, in`cluding 5083 marine plates, 5059-H116 ultra-wide plates, 5456 plates, 6061 plates, and 6082 plates. We offer premium quality, competitive prices, factory-direct supply, export-ready packaging, and free samples. Trusted by clients worldwide—your reliable aluminum supplier.
Contact Us