2000 series aluminum alloys typically contain between 2 to 10% of copper, with smaller additions of other elements, including Al-Cu-Mg, Al-Cu-Mg-Fe-Ni, Al-Cu-Mn, etc. They are heat-treatable alloys and can be precipitation hardened to strengths comparable to steel. They are formerly referred to as duralumin and were once the most commonly aerospace alloys. This series alloy features good heat-resistance quality and machinability. The introduction of copper reduces its ductility and corrosion resistance, which makes it to be coated with a layer of pure aluminum.
2A12 aluminum alloy is widely used in airframe structural applications.
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2017 aluminum alloy is chiefly used in general structural components, rivets, aircraft components, fasteners, ship structural components, components in transportation sector, building construction components, pulleys and gauges, screw machine products and fittings.
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2024 aluminum is suitable for project requiring a high strength-to-weight ratio and excellent fatigue resistance, often used in the aerospace industry, like wing and fuselage structures, rivets, skin, skeleton parts, etc.
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To pack the aluminum sheet/plate/coil, first of all, put a layer of plastic film with a thickness of no less than 0.08mm in the packing box, then a layer of EPE foam, the third layer of PE kraft paper, and finally put the desiccant.
