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 12R72HV is an austenitic chromium-nickel-molybdenum-titanium stainless steel suitable for metal temperature up to about 308 in the power industry and the petrochemical industry. Typical applications are superheater tubes and hydrocarbon crackers.