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.Hipernom is a high nickel-iron alloy that is magnetically soft and has high minimum and maximum magnetic permeabilities. It is used in many applications including shielding, saturable reactors, transformers, and relays.