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.Alcoa alloy 7150 in the T6151 temper is the highest-strength aluminum plate alloy available. The T77 temper provides a combination of very high strength and corrosion resistance. The alloy is a second-generation version of alloy 7050.