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.HYLITE 20 is a titanium-aluminum-tin alloy with properties of medium tensile strength, good weldability and non-embrittlement under service conditions. It is recommended for aircraft and missile components.