Among various aluminum alloys, GNEE 5083 H32 aluminum plate stands out for its unique alloy composition and specific processing state. This material combines excellent mechanical properties with outstanding corrosion resistance and weldability, making it a preferred choice across many industries.
Specifications and Customization
Overview:
GNEE 5083 aluminum alloy retains exceptional strength after welding. It is the strongest among non-heat-treatable aluminum alloys, but it is not recommended for applications exceeding 65°C. When welding 5083 aluminum to itself or to alloys within the same series, the preferred filler metal is 5183, while 5356 and 5556 are also suitable.
GNEE 5083 aluminum sheets and plates conform to ASTM/ASME B209/SB209 standards and maintain excellent performance even after welding.
Product Features:
Excellent corrosion resistance
Precise dimensions
Can withstand high pressure and moderate temperature loads
Rust-proof surface finish
Smooth transition from flange thickness to pipe
Ensures uniform stress distribution
Specifications:
Standard: ASTM/ASME B209/SB209
Width: 1,000mm – 3,000mm
Thickness: 0.5mm – 250mm
Production: Hot-Rolled (HR) / Cold-Rolled (CR)
Material & Grades:
Aluminum Alloy Grades: 5052, 5054, 5083, 5086, 6061

Chemical Composition of 5083 Aluminum Alloy:
| Element | % Content |
|---|---|
| Si | 0.4 |
| Fe | 0.4 |
| Cu | 0.1 |
| Mn | 0.4–1.0 |
| Mg | 4.0–4.9 |
| Zn | 0.25 |
| Ti | 0.15 |
| Cr | 0.05–0.25 |
| Al | Balance |
Physical Properties:
Density: 2,650 kg/m³
Melting Point: 570°C
Modulus of Elasticity: 72 GPa
Electrical Resistivity: 0.058×10⁻⁶ Ω·m
Thermal Conductivity: 121 W/m·K
Thermal Expansion: 25×10⁻⁶ /K
Mechanical Properties by Temper:
| Temper | Tensile Strength (KSI) | Yield Strength (KSI) | Elongation (%) |
|---|---|---|---|
| O (annealed) | 42 | 21 | 14 |
| H112 | 43 | 23 | 10 |
| H116 | 46 | 33 | 10 |
| H321 | 46 | 33 | 10 |
Summary:
GNEE 5083 aluminum sheets and plates combine high strength, excellent corrosion resistance, and stable mechanical properties, making them ideal for marine, construction, and industrial applications that demand durability and reliable performance even after welding.
Material Composition and Temper
The 5083 alloy consists mainly of magnesium, with small amounts of manganese and chromium to enhance mechanical performance. The H32 temper indicates that the material has undergone partial cold work-hardening and subsequent stabilization, achieving an optimal balance between hardness, strength, and plasticity. This ensures the aluminum plate maintains both durability and formability.
Performance Advantages of 5083 H32 Aluminum Plate
High Strength and Lightweight: The magnesium content provides a high strength-to-weight ratio, making it ideal for aerospace, shipbuilding, and other applications where structural integrity must be preserved while reducing weight.
Excellent Corrosion Resistance: Resistant to seawater and atmospheric corrosion, 5083 H32 aluminum plate is particularly suitable for marine environments. Corrosion resistance can be further enhanced with surface treatments.
Good Weldability: Despite its high magnesium content, the plate is highly weldable using TIG or MIG methods, producing strong, leak-tight joints suitable for pressure vessels and structural components.
Good Formability: In its semi-cold work-hardened state, 5083 H32 aluminum plate retains excellent forming properties, allowing complex stamping, drawing, and other operations.

Applications
Owing to its superior performance, GNEE 5083 H32 aluminum plate is widely used in:
Shipbuilding: Hulls and structural components that require high strength and corrosion resistance.
Transportation Equipment: Fuel tanks, body panels, and other parts for automobiles, trains, and other vehicles.
Chemical Equipment: Corrosion-resistant vessels and piping systems.
Construction: Decorative panels or structural components for building applications.
Summary
GNEE 5083 H32 aluminum plate is a high-performance material distinguished by its unique chemical composition and processing state. It offers exceptional strength, corrosion resistance, weldability, and formability, making it indispensable for industries demanding high durability and reliability under extreme environmental conditions.
