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.ULTIMET alloy is a cobalt-base corrosion-wear alloy that compares with HASTELLOY alloys in corrosion and resistance to STELLITE alloys in its wear resistance. It is available as both wrought and cast products.