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.Ugima 4307 HM is the latest version of Ugitech's improved machining grades using the new production and process control of Ugima 2. The alloy is a general-purpose, corrosion resistant austenitic stainless steel.