The 7A04 aluminum bar is a high strength, heat treatable aluminum alloy bar from the 7000 series (Al Zn Mg Cu) known for exceptional mechanical properties and excellent performance in demanding structural applications. With its superior strength to weight ratio, good corrosion resistance, and strong fatigue resistance after heat treatment, this alloy is widely used in aerospace, defense, precision machinery, transportation, and high stress industrial components.
7A04 Aluminum Bar
The 7A04 aluminum bar is a high strength, heat treatable aluminum alloy bar from the 7000 series (Al Zn Mg Cu) known for exceptional mechanical properties and excellent performance in demanding structural applications. With its superior strength to weight ratio, good corrosion resistance, and strong fatigue resistance after heat treatment, this alloy is widely used in aerospace, defense, precision machinery, transportation, and high stress industrial components.
Available in multiple shapes — including round, square, flat, and rectangular bars — and a variety of tempers such as O, T6, T651, T73, T76, the 7A04 aluminum bar can be customized to specific thickness, diameter, width, and length requirements to suit diverse engineering and manufacturing needs.
Manufactured under international standards (ASTM, GB, JIS, EN), 7A04 aluminum bar offers a reliable balance of high tensile strength, machinability after heat treatment, and structural durability. Typical applications include aircraft structural parts, landing gear components, trusses, mechanical parts, and defense equipment where high load bearing performance is critical.
| Product Name | 7A04 Aluminum Bar / 7A04 Aluminum Rod |
| Alloy Grade | 7A04 (7000 Series) |
| Status (Tempers) | O, T6, T651, T6511, T73, T73511, T76, T76511 |
| Shape | Round, Square, Flat, Rectangular |
| Diameter / Width | Round: approx. 6 mm – 420 mm+ Square/Flat: per customer spec |
| Thickness (Bar / Flat) | Dependent on shape & custom requirements |
| Length | Typically 1 m – 6 m (customizable) |
| Standards | ASTM B221, GB/T, JIS, EN (varies by supplier) |
| Surface Finish | Mill, Bright, Polished, Oxidation (varies) |
| Mechanical Properties | Tensile Strength: ~530 MPa+ Yield Strength: ~400 MPa+ Elongation: ~5 %+ |
| Density | ≈ 2.72 g/cm³ |
| Application Fields | Aerospace structural parts Aircraft trusses & bulkheads Landing gear components Defense & military equipment Precision mechanical components |
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