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.IMPALCO 760 is a heat-treatable high strength aluminum alloy available in bar form for machining applications. It is suitable for highly stressed primary structures.