



5056 aluminum coil belongs to the 5000 series aluminum-magnesium alloys, featuring a higher magnesium content than 5052. It offers higher strength, excellent corrosion resistance, and good weldability, making it particularly suitable for marine, transportation, and structural applications where strength and durability are required.
Description
Features
- Aluminum–magnesium alloy (Al–Mg)
Belongs to the 5xxx-series aluminum alloys, with magnesium as the main alloying element, providing high corrosion resistance and excellent mechanical strength.
- High corrosion resistance
Performs exceptionally well in marine, chemical, and industrial environments, ideal for outdoor and coastal applications.
- High mechanical strength
Stronger than 5005 and 5052, suitable for structural, load-bearing, and marine applications.
- Good formability and workability
Can be rolled, bent, stamped, and deep-drawn, suitable for medium-to-thin gauge processing and complex shapes.
- Good thermal and electrical conductivity
Supports heat dissipation and moderate electrical applications.
- Smooth and uniform surface finish
Ideal for anodizing, painting, coating, embossing, or film lamination for both decorative and functional purposes.
- Excellent weldability
Compatible with TIG, MIG, and spot welding, ensuring reliable fabrication.
- Lightweight material
Low density helps reduce overall weight while maintaining strength and durability.
Specifications
| Parameter | Description |
|---|---|
| Alloy | 5056 |
| Chemical Composition (%) | Al ≥ 93.9, Mg 4.5 – 5.6, Si ≤ 0.30, Fe ≤ 0.40, Cu ≤ 0.10, Mn ≤ 0.10, Zn ≤ 0.20, Cr 0.05 – 0.20, Others ≤ 0.05 |
| Temper | O, H32, H34, H36, H38 |
| Thickness Range | 0.3 – 6.0 mm (customizable) |
| Width | Customizable (20 – 2000 mm) |
| Coil Weight | Customizable |
| Inner Diameter (ID) | 150 / 300 / 505 mm |
| Surface Finish | Mill Finish, Brushed, Coated, Film Laminated (optional) |
| Standard | ASTM B209 / EN AW-5056 / GB/T 3880 |
Typical Applications
- Marine and shipbuilding applications
Widely used for hulls, decks, superstructures, and marine fittings due to excellent corrosion resistance in seawater environments.
- Automotive and transportation parts
Suitable for truck panels, bus bodies, trailers, and structural components where high strength and corrosion resistance are required.
- Chemical and industrial equipment
Applied in tanks, containers, pressure vessels, and protective panels for chemical and industrial applications.
- Architectural and building applications
Used for roofing, curtain walls, cladding, and decorative panels in outdoor and coastal environments.
- Heat transfer and thermal applications
Suitable for heat exchangers, cooling fins, and other components requiring good thermal conductivity.
- General fabrication and forming
Ideal for stamping, bending, rolling, and deep-drawing of medium-to-thin gauge sheets for structural or decorative purposes.




















