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.Allegheny Ludlum Type 201 stainless steel has many properties similar to Type 301 and provides excellent strength and formability. Together, Type 201 and Type 201L (see Alloy Digest SS-825) account for the greatest tonnage of Cr-Ni-Mn 200 series stainless steels. A typical application is washing machine baskets.