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 53 is a soft-magnetic nickel-iron alloy with approximately 55% nickel. It is notable for its high saturation induction of 1.5 T and high initial permeability.