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.UHB Stainless 904L is an extra-low-carbon, non-stabilized austenitic stainless steel with excellent corrosion resistance in severe acids and acidic solutions. It is particularly suitable for structural applications in the chemical industry and other process industries.