5182 aluminum coil is a non-heat-treatable aluminum-magnesium alloy in the 5xxx series. It is recognized for its excellent corrosion resistance, high strength among 5xxx series alloys, and superior weldability. 5182 is widely used in the automotive, transportation, and marine industries, especially in applications such as vehicle body panels and roofing where both strength and corrosion resistance are critical.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 5182 |
| Chemical Composition (%) | Mg 4.2–4.8, Mn 0.20–0.50, Cr 0.05–0.25, Fe ≤ 0.40, Si ≤ 0.25, Cu ≤ 0.10, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 5000 Series (Al-Mg) |
| Temper | O, H12, H14, H16, H22 |
| Thickness (mm) | 0.5 – 250 |
| Width (mm) | 100 – 2650 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Anodized, Painted, Polished |
| Standard | ASTM B209, EN AW-5182, GB/T 3880 |
Description
Features
- Superior corrosion resistance
Performs exceptionally well in marine, chemical, and industrial environments, ideal for outdoor, coastal, and marine 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.
Applications
- Automotive and transportation parts
Widely used for car panels, truck bodies, bus panels, trailers, and other transportation components due to excellent corrosion resistance and high strength.
- Marine and shipbuilding applications
Suitable for hulls, decks, superstructures, and marine fittings, performing well in seawater environments.
- Chemical and industrial equipment
Applied in tanks, containers, pressure vessels, and protective panels for chemical and industrial environments.
- 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.
