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 B443.0 is an aluminum-5% silicon casting alloy recommended for castings of intricate design and thin walls. It is pressure-tight and has good corrosion resistance and good ductility and toughness. Its wide range of uses include architectural, marine and ornamental components.