7A04 T6 Ultra High Strength Aluminum Alloy Round Bar Chinese Standard Heavy Duty Structural Components Ø10-200mm
Product Overview
7A04-T6 aluminum alloy round bar is a Chinese high-strength Al-Zn-Mg-Cu alloy offering mechanical properties comparable to 7075. It is the domestic standard for ultra-high-strength applications in heavy-duty structural components, defense equipment, and high-load mechanical assemblies requiring maximum strength-to-weight performance.
Key Features
- Tensile strength: ≥530 MPa
- Highest strength among Chinese standard alloys
- Good machinability in T6 condition
- Competitive alternative to imported 7075
- Strict quality control to GB/T standards
Technical Specifications
| Alloy |
7A04 (Al-Zn-Mg-Cu) |
| Temper |
T6 |
| Diameter Range |
10mm - 200mm |
| Yield Strength |
≥460 MPa |
| Hardness |
≥150 HB |
| Elongation |
≥6% |
Applications
- vehicle components
- Heavy machinery parts
- High-load gears
- Structural shafts
- Landing gear components
- Defense equipment