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.AA 355.0 is a general-purpose, high-strength casting alloy containing silicon and copper as the major alloying elements. Its casting characteristics are excellent and it is recommended for pressure-tight castings. It can be age hardened and has good resistance to corrosion.