7085 aluminum bar t7452

Feb 22, 2023

7085 aluminum alloy with zinc as the main alloying element: 7085 (Al-7.5Zn-1.5Mg-1.4Cu-0.15Zr) 7085 aluminum bar is the latest generation of advanced aluminum alloy developed by Alcoa in the United States in 2002. It has a ficant application background in large aircraft and other fields because of its permeability, high strength and high damage tolerance. However, its anti-corrosion performance is not ideal, which will inevitably affect the safe application of Al-Zn-Mg-Cu series aluminum alloys. Aeronautical structural materials have a long contact time with the corrosive medium in the atmosphere, and the environment is relatively harsh in long-distance flight. Corrosion resistance is an important indicator for investigating aluminum alloys for aviation. The 7085 aluminum alloy forgings are mainly used for load-bearing structural parts such as wing spars, ribs and landing gear of Airbus A380, which in turn requires them to have high strength.

7085 aluminum alloy chemical composition:
Silicon (Si) 0.06
Iron (Fe) 0.08
Copper (Cu) 1.3-2.0
Manganese (Mn) 0.04
Magnesium (Mg) 1.2-1.8
Chromium (Cr) 0.04
Nickel (Ni) --

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7085 aluminum bar t7452

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