View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.Alloy 6061 is one of the most widely used alloys in the 6000 Series. This data sheet revision adds new standard tempers and many of the Alcoa special tempers, as well as properties for extrusions and shapes.