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The 5083 marine grade aluminum bar is a high-performance Al-Mg alloy bar designed for demanding structural applications. Known for excellent corrosion resistance, superior weldability, high strength, and durability, this alloy is widely used in marine, aerospace, automotive, heavy machinery, and construction industries.
5083 Marine Grade Aluminum Bar The 5083 marine grade aluminum bar is a high-performance Al-Mg alloy bar designed for demanding structural applications. Known for excellent corrosion resistance, superior weldability, high strength, and durability, this alloy is widely used in marine, aerospace, automotive, heavy machinery, and construction industries.
| Product Name | 5083 Marine Grade Aluminum Bar |
| Alloy Grade | AA 5083 / EN AW-AlMg4.5Mn0.7 |
| Standards & Specs | ASTM B221, GB/T 3191-2019, ISO (varies by supplier) |
| Material Composition | Al balance, Mg 4.0–4.9%, Mn 0.4–1.0%, Cr 0.05–0.25%, Fe ≤0.40%, Si ≤0.40%, Zn ≤0.25% |
| Product Form/Shape | Round Bar, Square Bar, Hex Bar, Flat Bar, Rectangular Bar |
| Diameter / Thickness | Round: ~5–600 mm (varies); Flat/Rectangular: thickness 2–100 mm + width up to ~500 mm |
| Width | Up to ~500 mm (flat/rectangular) |
| Length | Typically 1–6 m (cut-to-length available) |
| Tempers Available | O (soft), H111, H112, H12, H22, H32 (depends on supplier) |
| Surface Finish Options | Mill finish, polished, anodized, bright, black finish |
| Tolerance | H8, H9, H10, H11, H12, etc. (dependent on size) |
| Mechanical Properties | High corrosion resistance; strong weldability; excellent strength for non-heat-treatable alloy |
| Applications | Marine structures & shipbuilding, transportation frames, automotive parts, aerospace components, industrial machinery, structural supports |
| Operating Environment | Suitable for marine and chemical exposure; not recommended for continuous use above ~65°C (typical for 5083 alloy) |
