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.TYPE 304 SCQ STAINLESS is a super clean version of convential type 304. The enhanced microstructural cleanliness makes it a candidate for thin walled components under high pressure or vacuum.