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.CUSTOM AGE 625 PLUS Alloy offers exceptional resistance to pitting, crevice, attack, general corrosion and to stress-corrosion cracking in the precipitation-hardened condition.