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.ALL VAC 6A1-4V is an alpha/beta titanium alloy. It is the most widely used of the titanium alloys. It is age hardenable and it develops high strength. It can be used over a wide range of temperatures from cryogenic to about 800 F (427 C).