About Alloy
Aluminum alloy 7020 is a high-strength alloy primarily composed of aluminum, zinc, and magnesium. It belongs to the 7xxx series of aluminum alloys, known for their excellent strength-to-weight ratio and toughness. Alloy 7020 is specifically designed for applications requiring high mechanical properties, including aerospace and military uses. It offers good corrosion resistance and weldability, along with the ability to maintain its strength at elevated temperatures. Commonly used in structural components, aircraft fittings, and military vehicles, alloy 7020 demonstrates reliability and performance in demanding environments where strength and durability are critical. Its combination of strength and lightweight properties makes it a preferred choice in industries requiring robust materials for structural integrity and performance under stress.
Product Form
BS H17
Alcan GB-D74S
BA 733
Hiduminium-45
EN AW - AlZn4,5Mg
WS 3.4335
Chemical Composition
| Weight% | Al | Si | Fe | Cu | Mn | Cr | Mg | Zn | Zr | Zr + Ti | Other Each | Others Total |
| 7020 | Bal | 0.35 | 0.40 | 0.20 | 0.050 - 0.50 | 0.10 - 0.35 | 1.0-1.4 | 4.0 - 5.0 | 0.080 - 0.20 | 0.80 - 0.25 | 0.05 max | 0.15 max |
Property
| Material | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation % |
| Alloy 7020 Plate | T651 | 330-350 | 260-280 | 7-10 |
| Properties dependant on thickness | ||||
Application
Aerospace: Structural components, aircraft fittings
Military: Vehicle armor, military vehicles
Industrial: High-strength structural applications
Aluminum alloy 7020 is chosen for its high strength, good corrosion resistance, and toughness, making it suitable for aerospace, military, and industrial applications where durability and performance under stress are essential.
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