Aluminum 1100 is a soft, non-heat-treatable and low strength alloy that offers strong corrosion resistance. Composed of 99% aluminum and 0.12% copper, Aluminum 1100 is the purest grade of aluminum alloy available commercially. A highly sought after alloy, Aluminum 1100 offers excellent machinability as well as maintaining strength in low temperatures and electrical conductivity. There are a number of commercial and industrial applications.