This document provides an overview of aluminum alloys categorized by their primary alloying element. It discusses the composition, properties, and applications of the main alloy series: 1xxx (aluminum), 2xxx (copper), 3xxx (manganese), 4xxx (silicon), 5xxx (magnesium), 6xxx (magnesium and silicon), and 7xxx (zinc). Other less common alloying elements discussed include iron, chromium, nickel, titanium, zirconium, lithium, lead, and bismuth. The document aims to outline the key characteristics and uses of the major aluminum alloy groups.