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.Allvac Titanium 6Al-4V ELI is an alloy with extra-low interstitials to produce cleanliness and consistency in properties. It is used in surgical instruments and implants.