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.Maxival AU188Z is an enhanced-machining version of AISI Type 303 stainless steel. The alloy has a specified inclusion picture to enhance machining by modifying both sulfide and oxide inclusions.