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.SANDVIK* 2RE69 is a fully austenitic stainless steel with extra low carbon and impurity levels. It was developed primarily to cope with severe corrosive conditions existing in the urea industry.