A large quantity of scrap aircraft aluminum alloys in retired aircraft was used to produce cast aluminum alloys as raw material. resulting in a decrease of the value. In this work. the mixture of scrap aircraft aluminum alloys has been grade-maintaining recycled into 7075 aluminum alloy to maximize its recovery value. https://www.roneverhart.com/Oakley-SI-Holbrook-Multicam-Men-s-Lifestyle-Polarized-Sunglasses-Brand-New/