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.CromElso 22V is a specially designed low-alloy Cr-Mo steel for high-temperature hydrogen service, particularly hydro treating reactors up to 482 C (900 F).