EN AW 5083 Aluminum Alloy Sheets In Tanker Trucks 5083 Alloy Sheets
EN AW 5083 Aluminum Alloy Sheets In Tanker Trucks 5083 Alloy Sheets
5083 aluminum sheet belongs to Al-Mg series alloy. It is the highest strength corrosion-resistant
alloy among practical non-heat-treated alloys. And it is suitable for welding structures. Also, it is
worth mentioning that 5083 aluminum sheet has good resistance to seawater and low-temperature
characteristics.
Recommended Tempers
| Temper | Characteristics | Applications |
| H321 | Strain-hardened, stress-corrosion resistant | Main tank structure (balances strength/formability) |
| O | Annealed, high ductility | Deep-drawn components (e.g., end caps) |
| H116/H117 | Enhanced marine corrosion resistance | Coastal/high-humidity regions |
Key Applications of 5083 Aluminum in Tanker Trucks
♦ Tank Body Structure
Thickness: 4~6mm 5083 aluminum sheets, welded to form the main tank structure.
♦ End Caps (Heads)
Hemispherical/Dished Heads
Thickness: 5~8mm 5083 aluminum, formed via stamping.
♦ Baffle Plates
Anti-Sloshing Partitions
Thickness: 3~5mm aluminum sheets to compartmentalize the tank and minimize liquid sloshing
during transport.
♦ Subframe & Support Structures
Tank-to-Chassis Connections
Some designs use 5083-H321 (strain-hardened temper) for enhanced load-bearing capacity.
Comparison with Alternative Alloys
| Alloy | Pros | Cons | Typical Uses |
| 5083 | Best corrosion resistance, weldable | Not heat-treatable | Tankers, ships, chemical tanks |
| 6061-T6 | Higher strength (310 MPa) | Poor corrosion resistance, requires pre-heat welding | Structural frames, non-corrosive parts |
| 5052 | Lower cost, excellent formability | Lower strength (210 MPa) | Lightweight covers, interior panels |
Advantages for Tanker Trucks
✅ Lightweight: Density (2.66 g/cm³) is ~35% lower than steel, reducing fuel consumption.
✅ Corrosion Resistance: Withstands fuels, salt spray, and de-icing agents, extending service life.
✅ Formability: Easily cold-worked into complex shapes (e.g., curved tank profiles).
✅ Safety: Non-sparking properties ideal for flammable liquid transport.
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