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.Ovako 280 is a clean structural steel with heat-to-heat consistency for production economy. Ovako CEAX 280 is a precision bar version with straightness, roundness, surface finish, and diameter tolerances that are tighter than average.