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.AISI Type 305 is an austenitic chromium nickel stainless steel with lower rate of work hardening than Type 302 or 304 and less change of magnetic permeability when cold worked.