Aerospace structural components, heavy-duty tooling fixtures, precision mold blanks, and static heavy-duty support components for robots.
7A05 is a Chinese ultra-high-strength Al-Zn-Mg-Cu alloy. The T651 pre-stretched, stress-relieved version has excellent static mechanical properties and good machinability, and machined parts stay dimensionally stable, which suits structural parts with high strength requirements.
As with others in this series, corrosion resistance needs to be secured through surface treatment and weldability is limited, so it is normally used with machining and mechanical fastening.
It is mostly used for aerospace structural parts, heavy tooling fixtures, precision mold blanks and static heavy-load supports for robots. Its creep resistance is limited, so it is not recommended as the load-bearing base material for linear modules under long-term high-speed reciprocating impact at constant temperature.
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Standing inventory |
We maintain a regular inventory of aluminum sheets and rods, covering brands/models, sizes, and thicknesses. We can provide custom cutting, material certificates, and bulk delivery according to drawings. |
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Aluminum sheet thickness range |
1.2–300mm · Extra thick, customizable |
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Aluminum rod diameter range |
φ8–φ400 mm · Extra thick, customizable |
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Commonly used dimensions of sheet metal |
1500*3000 and supports custom width and length |
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Application and processing |
Milling, drilling, grinding, boring, planing, planing, cutting to length |
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Inventory specifications are derived from Dihong's standby inventory specifications table and spot inventory table. Real-time inventory and material status are subject to business confirmation. |
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We have obtained multiple international system certifications and industry qualifications. All products comply with international standards, ensuring reliable quality and long-term stable cooperation. Custom 7A05 Aluminum-Zinc-Magnesium-Copper Alloy Raw Material
Oct 13 , 2026
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