Marine-Grade Aluminum Plates – 5086, 5059, 5383, 5456
Shenzhen Chinalco Metal supplies high-quality 5086,5059,5383,5456 aluminum sheets and plates manufactured in China, meeting international marine-grade standards. With excellent corrosion resistance, high strength, and weldability, these plates are widely used in shipbuilding, offshore platforms, and defense equipment. We offer stable supply, full temper options like H116 and H32, and fast delivery to global customers.
5086, 5059, 5383, and 5456 aluminum plates features
Excellent corrosion resistance in saltwater environments
High strength-to-weight ratio for lightweight structures
Good weldability with minimal loss in mechanical performance
Available in tempers like H116, H321, and H32
Compliant with marine and defense standards (e.g., DNV, ABS, MIL-STD)
Alloy 5086 aluminum chemical composition and properties
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|
| ≤0.40 | ≤0.50 | ≤0.10 | 0.2–0.7 | 3.5–4.5 | 0.05–0.25 | ≤0.25 | ≤0.15 | Balance |
Physical Properties
Density: 2.66 g/cm³
Thermal Conductivity: 126 W/m·K
Electrical Conductivity: ~30% IACS
Mechanical Properties (H116)
Tensile Strength: ≥275 MPa
Yield Strength: ≥125 MPa
Elongation: ≥10%
Alloy 5059 aluminum chemical composition and properties
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Zr | Al |
|---|---|---|---|---|---|---|---|---|
| ≤0.40 | ≤0.40 | ≤0.10 | 0.6–1.2 | 5.0–6.0 | ≤0.30 | ≤0.20 | 0.05–0.25 | Balance |
Physical Properties
Density: 2.66 g/cm³
Corrosion Resistance: Enhanced over 5086
Weld Efficiency: Excellent
Mechanical Properties (H321)
Tensile Strength: ≥330 MPa
Yield Strength: ≥190 MPa
Elongation: ≥10%
Alloy 5383 aluminum chemical composition and properties
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|
| ≤0.40 | ≤0.50 | ≤0.10 | 0.5–1.0 | 4.0–5.0 | ≤0.25 | ≤0.25 | ≤0.15 | Balance |
Physical Properties
Density: 2.66 g/cm³
Improved fatigue performance over 5086 and 5083
Good formability and machinability
Mechanical Properties (H116)
Tensile Strength: ≥315 MPa
Yield Strength: ≥170 MPa
Elongation: ≥10%
Alloy 5456 Aluminum Chemical Composition and properties
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
|---|---|---|---|---|---|---|---|---|
| ≤0.25 | ≤0.40 | ≤0.10 | 0.5–1.0 | 4.7–5.5 | ≤0.20 | ≤0.25 | ≤0.20 | Balance |
Physical Properties
Density: 2.66 g/cm³
Thermal Expansion: 23.9 µm/m·K
Excellent impact resistance
Mechanical Properties (H116)
Tensile Strength: ≥310 MPa
Yield Strength: ≥165 MPa
Elongation: ≥10%
5086, 5059, 5383, and 5456 aluminum plates sizes
Product | Thickness(mm) | Width(mm) | Length(mm) |
Aluminum Plate | 6mm--260mm | 800mm--4300mm | 1000mm--38000mm |
Aluminum Sheet | 2.0mm-6mm | 1000mm--2800mm | 1000mm--12000mm |
5086, 5059, 5383, and 5456 aluminum plates applications
Shipbuilding and Marine Structures
Tanks and Containers
Defense and Heavy Industry
Transportation and Infrastructure




