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5051 aluminum sheet (AA 5051 / EN AW-5051A / AlMg2) is a non-heat-treatable alloy from the 5000 series, primarily alloyed with approximately 2% magnesium. This composition provides excellent corrosion resistance, outstanding weldability, and good cold formability. As a medium-strength aluminum-magnesium alloy, 5051 is widely used in applications where a balance of strength, workability, and corrosion performance is required. Typical uses include marine components, industrial structures, pressure vessels, and general fabrication projects exposed to moisture or corrosive environments. Its combination of mechanical reliability and resistance to oxidation makes it a versatile material for both structural and decorative applications.
| Alloy | 5051 (AA 5051 / EN AW-5051A / AlMg2) |
| Temper | O, H111, H112, H32, H34, H116, H321 |
| Thickness | 0.3 mm – 20 mm |
| Width | 20 mm – 2600 mm |
| Length | 1000 mm – 6000 mm (custom sizes available) |
| Surface Finish | Mill Finish, Brushed, Polished, Anodized, Painted (PVDF / Powder Coated), Embossed |
| Standard | ASTM B209, EN 573-3, EN 485-1/2, GB/T 3880 |
| Application | Marine components, industrial equipment, pressure vessels, storage tanks, building decoration, and general structural parts requiring corrosion resistance and moderate strength |
| No. | Alloy | Temper | Thickness (mm) | Width (mm) | Length (mm) | Surface Finish | Standard |
|---|---|---|---|---|---|---|---|
| 1 | 5051 | H112 | 0.5 | 1250 | 2500 | Mill Finish | ASTM B209 / EN 485 |
| 2 | 5051 | H32 | 1.0 | 1000 | 2000 | Brushed Finish | ASTM B209 |
| 3 | 5051 | H34 | 2.0 | 1220 | 2440 | Polished | EN 573-3 |
| 4 | 5051 | H111 | 3.0 | 1500 | 3000 | Mill Finish | ASTM B209 |
| 5 | 5051 | H116 | 4.0 | 1500 | 3000 | Anodized | EN 485 |
| 6 | 5051 | H321 | 5.0 | 1520 | 3020 | Mill Finish | ASTM B209 |
| 7 | 5051 | H112 | 6.0 | 2000 | 6000 | Anodized | EN 485-2 |
| 8 | 5051 | O | 8.0 | 1500 | 3000 | Polished | ASTM B209 |
| 9 | 5051 | H34 | 10.0 | 1220 | 2440 | Mill Finish | EN 573-3 |
| 10 | 5051 | H32 | 12.0 | 1500 | 6000 | Painted (PVDF) | ASTM B209 |
5051 aluminum sheets are widely used in applications that require good corrosion resistance, moderate strength, and excellent workability. Due to their aluminum-magnesium composition, they are ideal for environments exposed to moisture, saltwater, or industrial chemicals. Common uses include marine parts, ship hulls, storage tanks, pressure vessels, industrial equipment, and architectural panels. In addition, 5051 sheets are often applied in decorative trims, vehicle body panels, and structural components where lightweight construction and resistance to oxidation are essential. Their versatility makes them suitable for both industrial manufacturing and decorative engineering projects.
5051 aluminum sheets are primarily used in applications that demand excellent corrosion resistance, moderate strength, and reliable weldability. They are commonly applied in marine engineering, including ship decks, hull structures, and other seawater-exposed components. In the industrial sector, 5051 sheets are used for pressure vessels, storage tanks, chemical containers, and machinery parts due to their resistance to oxidation and chemical corrosion. They are also utilized in construction and architectural projects for decorative panels and structural elements, as well as in transportation, energy equipment, and fabrication works requiring strong yet formable materials. Overall, 5051 aluminum sheet provides a durable and versatile solution for both structural and corrosion-resistant applications.
