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.AvestaPolarit LDX 2101 is a new lean duplex steel for construction purpose. The alloy has low nickel content, but is balanced with manganese and nitrogen. Applications include exposed load-carrying structural materials for bridges as well as rebar for many construction uses.