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.ALUMINUM 336.0 is a high-silicon aluminum-base alloy recommended for high-strength permanent-mold castings. It responds to an age-hardening heat treatment. Its applications include automotive and diesel pistons, pulleys and sheaves.