The 3003 aluminum bar is a high-quality Al-Mn series alloy bar that combines excellent corrosion resistance, good weldability, and superior workability for a wide range of industrial and structural applications. With a manganese content of approximately 1.0–1.5%, 3003 aluminum alloy exhibits greater strength than pure aluminum while retaining good formability. This makes it ideal for components requiring durability and lightweight performance without the ability to be heat-treated for higher strength.
The 3003 aluminum bar is a high-quality Al-Mn series alloy bar that combines excellent corrosion resistance, good weldability, and superior workability for a wide range of industrial and structural applications. With a manganese content of approximately 1.0–1.5%, 3003 aluminum alloy exhibits greater strength than pure aluminum while retaining good formability. This makes it ideal for components requiring durability and lightweight performance without the ability to be heat-treated for higher strength.
Available in multiple tempers such as O, H12, H14, H16, H18 and more, the 3003 aluminum bar comes in various shapes including round rod, flat bar, hex bar and rectangular configurations. Typical lengths and cross-sectional sizes are customizable to meet specific fabrication and production requirements.
This alloy is widely used in transportation, construction, machinery fabrication, food and chemical processing, and general engineering industries. Its combination of corrosion resistance, weldability, and formability makes it suitable for manufacturing structural components, frames, shafts, brackets, and other parts where reliability and lightweight performance are essential.
| Product Name | 3003 Aluminum Bar (Al-Mn Alloy) |
| Alloy Grade | 3003 (3003A) |
| Condition / Temper | O, H12, H14, H16, H18 (work-hardened states) |
| Form / Shape Options | Round, Flat, Hexagonal, Rectangular |
| Thickness / Diameter Range | 0.1–600 mm (varies by form) |
| Width Range (for flat/rectangular) | 100–2000 mm (varies by supplier) |
| Standard Length | 1–12 m (stock, cut-to-length or custom) |
| Standards | ASTM B221, ASTM B211, ASTM B565, ASTM B316, GB/T, EN, JIS (depending on market) |
| Mechanical Properties | Good strength vs pure aluminum, excellent formability, weldability (not heat-treatable) |
| Typical Density | ~2.73 g/cm³ |
| Surface Finishes | Mill, Bright, Polished, Hairline, Brush, Sandblast, Embossed, Etched |
| Market Applications | Construction, Transportation parts, Machinery components, Food processing equipment, Structural frames, General fabrication |
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