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.Kaiser Alloy 7X49 is used in aircraft structural parts. The alloy has characteristics of high strength and good machinability. Good resistance to stress corrosion cracking in -T7 type temper. X represents either or 1 or 0 as noted in the tex