5083 H111 Marine Grade Aluminum Alloy Flat Bar
5083-H111 aluminum alloy flat bar is the premier material for marine construction and offshore engineering. With high magnesium content and H111 annealed and slightly hardened temper, it delivers the best combination of strength, corrosion resistance, and weldability for critical marine structural applications.
Key Features
- Outstanding saltwater corrosion resistance
- Excellent weldability with minimal strength loss in HAZ
- High tensile strength for marine structures
- Good low-temperature toughness
- Suitable for cryogenic applications
Technical Specifications
| Alloy |
5083 (Al-Mg-Mn-Cr) |
| Temper |
H111 |
| Thickness Range |
3mm - 200mm |
| Width Range |
20mm - 500mm |
| Tensile Strength |
≥275 MPa |
| Elongation |
≥14% |
Applications
Ship hulls, offshore platform structures, LNG storage tanks, cryogenic equipment, pressure vessels, naval vessels, boat building.