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.Magnifer 8105 and 8105 So are soft magnetic alloys with a high nickel content. Typical applications for 8105 are recording heads, while 8105 So has additional applications.