5083 Aluminum Plate Marine Grade Sheet
What Is 5083 Aluminum Plate?
5083 aluminum plate is a high-magnesium alloy with excellent corrosion resistance, especially in marine environments. It offers high strength, good weldability, and outstanding performance in harsh conditions. Available in a range of tempers, 5083 aluminum is widely used in shipbuilding, transportation, pressure vessels, and defense applications.
Chemical Composition of 5083 Aluminum
| Element | % Composition |
|---|---|
| Magnesium (Mg) | 4.0–4.9% |
| Manganese (Mn) | 0.4–1.0% |
| Chromium (Cr) | 0.05–0.25% |
| Iron (Fe) | ≤ 0.4% |
| Silicon (Si) | ≤ 0.4% |
| Copper (Cu) | ≤ 0.1% |
| Zinc (Zn) | ≤ 0.25% |
| Titanium (Ti) | ≤ 0.15% |
| Aluminum (Al) | Balance |
Mechanical Properties of 5083 Aluminum
| Property | Typical Value |
|---|---|
| Tensile Strength | 270–350 MPa |
| Yield Strength | 125–240 MPa |
| Elongation (at break) | 10–20% |
| Hardness (Brinell) | 75–95 HB |
| Density | 2.66 g/cm³ |
| Thermal Conductivity | ~121 W/m·K |
| Modulus of Elasticity | ~70 GPa |
5083 Aluminum Plate Tempers Comparison
| Temper | Description | Yield Strength | Elongation | Typical Use |
|---|---|---|---|---|
| O | Annealed for maximum ductility | ~125 MPa | ≥ 20% | Cold forming, cryogenic tanks |
| H111 | Slightly strain-hardened | ~145 MPa | 17% | Marine panels |
| H112 | As fabricated, limited strain-hardening | ~150 MPa | 15% | General purpose |
| H116 | Special marine temper with improved corrosion resistance | ~215 MPa | 12–16% | Shipbuilding, hulls |
| H321 | Stabilized for better corrosion and strength stability | ~240 MPa | 10–12% | LNG tanks, offshore platforms |
5083 Aluminum vs Other Alloys
| Alloy | Strength | Corrosion Resistance | Weldability | Common Use |
|---|---|---|---|---|
| 5083 | ★★★★☆ | ★★★★★ | ★★★★★ | Marine, defense, tanks |
| 5086 | ★★★☆☆ | ★★★★★ | ★★★★★ | Boats, trucks |
| 5052 | ★★☆☆☆ | ★★★★☆ | ★★★★☆ | Panels, fuel tanks |
| 5080 | ★★★☆☆ | ★★★★★ | ★★★★☆ | Naval structures |
| 5754 | ★★☆☆☆ | ★★★★☆ | ★★★★☆ | Car bodies, packaging |
| 6061 | ★★★★☆ | ★★★☆☆ | ★★★★☆ | Structural, aerospace |
| 6082 | ★★★★☆ | ★★★☆☆ | ★★★★☆ | Bridges, rail |
| 7075 | ★★★★★ | ★★☆☆☆ | ★★☆☆☆ | Aerospace, high-load parts |
5083 aluminum plate sizes
| Product | Temper | Thickness(mm) | Width(mm) | Length(mm) |
| 5083 aluminum plate | H111,H112,H116,H321,H131 | 5---220 | 1000--2650 | 500--16000 |
What is 5083 Aluminum Plate used for?
Common Applications:
Marine hulls and deck structures
5083 marine grade aluminum plate is ideal for shipbuilding due to its high strength and superior saltwater corrosion resistance.Pressure vessels and LNG tanks
Its excellent weldability and stress corrosion resistance make 5083 aluminum suitable for pressure vessels and aluminum for LNG tank manufacturing.Fuel tanks and pipelines
5083 aluminum plate provides leak-proof integrity and resists fuel corrosion, making it a reliable material for fuel tanks and aluminum pipeline systems.Truck trailers and tankers
Lightweight yet strong, 5083 aluminum for trailers improves fuel efficiency and structural performance in transport vehicles.Industrial mold base plates
Its good machinability and stability under load make 5083 aluminum plate a solid choice for mold tooling and heavy-duty base plates.
Special Applications:
Cryogenic storage
5083 aluminum for cryogenic storage maintains toughness and ductility even at extremely low temperatures, ideal for liquid gas containment.Armor plating in military vehicles
As a military-grade aluminum alloy, 5083 is used for armor plating due to its high strength-to-weight ratio and blast resistance.Offshore oil and gas platforms
5083 aluminum plate resists pitting and crevice corrosion in harsh marine environments, perfect for offshore structural components.Aluminum-magnesium battery shells
The high magnesium content of 5083 aluminum enhances durability and safety in advanced battery enclosures and electric vehicle components.
FAQ about 5083 aluminum:
Can you anodise 5083 aluminium?
Yes, 5083 aluminium can be anodised, but the finish may appear dull or grey due to its high magnesium content. It’s mainly used for protective anodising rather than decorative purposes.
Can 5083 aluminium be folded?
Yes, 5083 aluminium can be folded, especially in soft tempers like O or H111. However, it has high strength, so proper tooling and larger bend radii are recommended to prevent cracking.
Is 5083 weldable?
Yes, 5083 aluminium is highly weldable and commonly used in marine and structural welding applications. It maintains good corrosion resistance and strength after welding.
What filler rod for 5083 aluminium?
ER5356 is the most commonly used filler rod for welding 5083 aluminium. It provides strong welds with good corrosion resistance, especially in saltwater environments.
Shenzhen Chinalco Metal offer stock of 5083 aluminum plate and customized size, and also 5083 round bar, contact us for more details.
