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.AL-22 is a wrought 22Cr-13.5Mo-3W-4Fe high-nickel alloy with outstanding and versatile corrosion resistance. The alloy is available in plate and is used where excellent corrosion, pitting, or crevice corrosion resistance is needed.