5083 H32 Aluminum Plate

5083-H32 aluminum plate is a material formed by tempering 5083 aluminum alloy with the H32 temper, combining the corrosion resistance of marine-grade aluminum with medium-to-high strength characteristics.

5083 H32 aluminum plate is a high-strength, non-heat-treatable alloy from the 5000 series, renowned for its outstanding performance in extreme environments.

5084-H32 aluminum plate is particularly suitable for marine and industrial chemical environments. The "H32" temper indicates that the material has undergone strain hardening and stabilization to a quarter-hard condition, thereby balancing strength and formability.

5083-H32 aluminum plate plays a key role in shipbuilding due to its excellent performance. Whether used for structural components in large vessels or critical parts of high-performance speedboats, it delivers reliable performance and long-term durability. Its widespread applications and multiple classification society certifications make it one of the preferred materials in the field of marine engineering.

To ensure the reliability and safety of 5083-H32 aluminum plate in shipbuilding, Haomei Aluminum can provide the following classification society certifications:

CCS (China Classification Society)
ABS (American Bureau of Shipping)
DNV (Det Norske Veritas)
BV (Bureau Veritas, France)
LR (Lloyd's Register, United Kingdom)

These certifications ensure that the material meets international maritime standards and is suitable for the construction of various ships and marine structures.

5083 H32 Aluminum Plate Alloy Type

5083 belongs to the Al-Mg-Si aluminum alloy system, with magnesium as the main component (approximately 4%–4.9%), supplemented by small amounts of manganese and chromium. It features medium strength and high corrosion resistance.

5083 H32 Aluminum Plate Temper Definition

H32 indicates that the aluminum plate has undergone cold work hardening followed by stabilization annealing. Its hardness lies between fully annealed (O temper) and full-hard temper, combining moderate formability and strength.

5083 H32 Aluminum Plate Core Advantages

Corrosion Resistance: Excellent resistance to seawater and atmospheric corrosion, suitable for humid environments such as ships without the need for additional protective coatings.
Low Temperature Performance: Maintains its performance in low-temperature conditions, making it ideal for LNG storage and Arctic applications.
Non-heat-treatable: Strengthened only through cold working.
Temperature Limitation: Not recommended for use above 65°C.
Weldability: Weld joint strength can reach 90%–95% of the base metal, suitable for complex welded structures.
Formability: In the H32 temper, it allows for cold bending and cutting, though its plasticity is lower than the fully annealed O temper.

5083 H32 Aluminum Sheet Available in Sizes and Thicknesses

5083 H32 Aluminum Plate Standard Plate Dimensions

Width (inches)	Length (inches)
48	96
48	120
60	120
72	120
48	144
60	144
72	144

5083 H32 Aluminum Plate Common Thicknesses

5083-H32 aluminum plates are produced in a range of thicknesses to suit different structural and fabrication needs. Standard thicknesses include:

0.25" 5083 H32 Aluminum Plate
0.375" 5083 H32 Aluminum Plate
0.5" 5083 H32 Aluminum Plate
0.75" 5083 H32 Aluminum Plate
1.0" 5083 H32 Aluminum Plate
1.25" 5083 H32 Aluminum Plate
1.5" 5083 H32 Aluminum Plate
1.75" 5083 H32 Aluminum Plate
2.0" 5083 H32 Aluminum Plate
2.25" 5083 H32 Aluminum Plate
2.5" 5083 H32 Aluminum Plate
3.0" 5083 H32 Aluminum Plate
3.25" 5083 H32 Aluminum Plate
3.5" 5083 H32 Aluminum Plate
4.0" 5083 H32 Aluminum Plate

5083 H32 Aluminum Plate Main Alloying Elements

Magnesium (4.0–4.9%): Enhances strength and corrosion resistance.

Manganese (0.4–1.0%): Improves machinability and structural stability.

Trace elements include chromium, titanium, and zinc, all of which contribute to increased durability.

Element	Percentage (%)
Magnesium (Mg)	4.0 – 4.9
Manganese (Mn)	0.40 – 1.0
Chromium (Cr)	0.05 – 0.25
Iron (Fe)	≤ 0.40
Silicon (Si)	≤ 0.40
Copper (Cu)	≤ 0.10
Zinc (Zn)	≤ 0.25
Titanium (Ti)	≤ 0.15
Others (Each)	≤ 0.05
Others (Total)	≤ 0.15
Aluminum (Al)	Remainder

5083 H32 Aluminum Plate Physical Properties

Density: Approximately 2.65–2.66 g/cm³.
Melting Point: 570–638°C (solidus at 570°C, liquidus at 638°C).
Thermal Conductivity: 117–121 W/m·K.
Electrical Resistivity: 0.058 x10⁻⁶ Ω·m.

5083 Aluminum Plate Mechanical Properties (H32 Temper)

Tensile Strength: 305–380 MPa.
Yield Strength: ≥215 MPa.
Elongation: 9.8–12% (50 mm).
Hardness: 87–89 Brinell Hardness (HB).
Elastic Modulus: 70–72 GPa.
Shear Strength: Approximately 195 MPa.

The H32 temper indicates that the alloy has been strain-hardened by rolling and stabilized by low-temperature heat treatment to achieve a "quarter hard" condition. This enhances strength while maintaining formability.

5083 H32 Aluminum Plate Application Areas

5083 H32 Aluminum Plate Applications in the Marine Industry

5083 H32 Aluminum Plate for Hull Structure Applications

5083-H32 aluminum plate is commonly used in critical structural parts of hulls, including:

Hull Shell: Its high strength and corrosion resistance make it an ideal material for hull shells, capable of withstanding various stresses and corrosion in marine environments.
Decks and Bulkheads: In these applications, 5083-H32 aluminum plate provides excellent structural support while reducing the overall weight of the vessel and improving fuel efficiency.
Superstructures: Thanks to its good weldability and formability, 5083-H32 aluminum plate is suitable for constructing the ship’s superstructure, such as the cockpit and living quarters.

These applications not only enhance the overall performance of the vessel but also extend its service life.

5083 H32 Aluminum Plate for LNG (Liquefied Natural Gas) Tanks

5083-H32 aluminum plate also plays an important role in the construction of tanks for LNG transport ships. Its excellent toughness and strength at low temperatures make it suitable for storing and transporting cryogenic liquids like liquefied natural gas.

5083 H32 Aluminum Plate for Speedboats and High-Performance Vessels

In the manufacturing of speedboats and high-performance vessels, 5083-H32 aluminum plate is used due to its high strength-to-weight ratio:

Hull Bottom Plates: Provides necessary structural strength while reducing weight, enhancing speed and fuel efficiency.
Structural Support Components: Such as keels and beams, ensuring stability and safety at high speeds.

Other Industries Where 5083 H32 Aluminum Plate Is Used

‌‌Transportation‌: Used in manufacturing subway and light rail cars, refrigerated tanks, rail vehicles, armored vehicles, and truck bodies, leveraging its lightweight advantage (density 2.7g/cm³, about 70% lighter than steel).
‌Industrial Equipment‌: Used in refrigeration sheet metal parts, instrument brackets, and low-load corrosion-resistant containers.
Aerospace: For aircraft stiffeners, fuselage components, and missile fuel tanks.
Defense: In bulletproof armor and military vehicles.

Comparison of 5083 H32 Aluminum with Similar Alloys

Strength: 5083-H32 offers higher tensile strength (330 MPa vs. 230 MPa) and yield strength (240 MPa vs. 180 MPa) than 5052-H32.
Hardness: 5083-H32 is rated at 89 HB, while 5052-H32 is rated at 60 HB.
Corrosion Resistance: Due to higher magnesium content, it performs excellently in marine environments.

5083 H32 Aluminum Manufacturing and Processing

Cold Workability: Rated as "average"; suitable for bending and forming.
Machinability: Due to its toughness, special tools are required.
Surface Treatments: Options include finishing, polishing, and sandblasting.

Manufacturing and Performance

Weldability: Excellent; retains high strength after welding.
Formability: Good; suitable for various forming processes.
Machinability: Poor; not ideal for large-scale machining.
Heat Treatment: Not heat-treatable; strength is achieved through cold working.
Temperature Limitations: Not recommended for use above 65°C.
Low-Temperature Performance: Maintains strength and toughness down to -195°C.

5083 H32 Aluminum Standards and Certifications

ASTM B209/ASME SB209: Standard specifications for plates.
EN 573-3/EN 485-2: Conforms to European composition and mechanical property standards.
Aerospace Certifications: AMS 4056, MIL-DTL-46027, and AS91006.

Limitations of 5083 H32 Aluminum

Cost: Higher than alloys like 5052 due to superior performance.
Heat Sensitivity: Prolonged exposure to high temperatures should be avoided to prevent loss of strength.

5083 H32 aluminum plate is a versatile and high-performance material ideal for demanding environments. Its combination of strength, corrosion resistance, and weldability makes it indispensable in the marine, aerospace, and industrial sectors.

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