Our 3A21 aluminum bar is a premium-grade anti-rust aluminum alloy designed to deliver excellent corrosion resistance, superb weldability, and high formability for a wide range of industrial needs. Manufactured from high-quality Al-Mn alloy, the 3A21 aluminum bar series is ideal for applications where durability in corrosive environments and ease of fabrication are essential.
High-Performance 3A21 Aluminum Bar for Industrial and Structural Applications
Our 3A21 aluminum bar is a premium-grade anti-rust aluminum alloy designed to deliver excellent corrosion resistance, superb weldability, and high formability for a wide range of industrial needs. Manufactured from high-quality Al-Mn alloy, the 3A21 aluminum bar series is ideal for applications where durability in corrosive environments and ease of fabrication are essential.
Available in round, flat, square, and hexagonal bar forms, this alloy bar can be customized in diameter, thickness, width, and length to meet specific project requirements. Whether used in construction, shipbuilding, machinery manufacturing, or industrial hardware, the 3A21 aluminum bar provides reliable performance with good plasticity and weld quality.
| Product Feature | Specification |
| Product Name | 3A21 Aluminum Bar |
| Alloy Grade | 3A21 (Al-Mn Alloy) |
| Standard | ASTM B221 / B211 / B565 / B316 (varies by supplier) |
| Form/Shape | Round, Flat, Square, Hexagonal |
| Diameter / Width | 5 mm – 650 mm (custom sizes available) |
| Thickness | 5 mm – 100 mm (depending on form) |
| Length | 1 m – 12 m (custom lengths supported) |
| Surface Finish | Mill finish, polished, anodized, brushed |
| Material Properties | Good corrosion resistance, weldability, formability |
| Typical Applications | Construction, Shipbuilding, Machinery, Hardware Components, Industrial Manufacturing |
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