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.17Cr-4Ni EZ is a precipitation hardening stainless steel offering engineers and designers a wide selection of strength and hardness levels. A simple one-step aging treatment provides end users a unique combination of strength, toughness, and corrosion resistance.