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The 5056 Aluminum Bar is a high-performance AlMg5 alloy bar widely used in industrial and structural applications due to its excellent corrosion resistance, high strength-to-weight ratio, and weldability. It belongs to the 5000 series aluminum family, featuring magnesium as a key alloying element (typically 4.5–5.6 % Mg), which enhances its resistance to seawater and other corrosive environments.
The 5056 Aluminum Bar is a high-performance AlMg5 alloy bar widely used in industrial and structural applications due to its excellent corrosion resistance, high strength-to-weight ratio, and weldability. It belongs to the 5000 series aluminum family, featuring magnesium as a key alloying element (typically 4.5–5.6 % Mg), which enhances its resistance to seawater and other corrosive environments.
Available in multiple forms — round, flat, square, hexagonal, and custom extruded profiles — the 5056 bar can be supplied in a range of tempers including O (soft) and various H-tempers (e.g., H32, H34, H36, H38, H112), allowing customization of mechanical properties to suit machining, forming, and structural requirements.
Its good machinability and excellent weldability make the 5056 aluminum bar ideal for marine engineering (hulls, decks), aerospace structural components, automotive frames and parts, pressure vessels, and general industrial applications where corrosion resistance and lightweight strength are critical.
| Product Name | 5056 Aluminum Alloy Bar |
| Alloy Grade | 5056 (UNS A95056 / AlMg5) |
| Material Form | Round Bar, Flat Bar, Square Bar, Hex Bar |
| Temper Conditions | O, H32, H34, H36, H38, H112 (custom available) |
| Diameter / Thickness | Round: φ3 – 800 mm; Flat Bar Thickness: 2 – 100 mm |
| Width (Flat/Rectangular) | 10 – 500 mm (typical) |
| Length | 1 – 12 m (fixed, random or cut-to-length) |
| Standard Specs | ASTM B221, B211, B316; EN, DIN, JIS compliance possible |
| Chemical Composition | Al balance; Mg 4.5-5.6 %; Si ≤ 0.3 %; Fe ≤ 0.4 %; Cu ≤ 0.10 %; Cr 0.05-0.20 % |
| Mechanical Properties (Indicative) | Tensile: ~230-275 MPa; Yield: ~110-200 MPa; Elongation: ~10-20 % |
| Density | ~2.66 g/cm³ |
| Typical Finish | Mill finish, bright draw, ground, polished (customer request) |
| Applications | Marine and offshore components, aerospace structures, vehicle frames, pressure vessels, welded parts, industrial machine components |
| Custom Services | Cut-to-length, special tempers, custom profiles |
