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.Hiperco Alloy 27 HS is a soft magnetic material that combines high magnetic saturation with high yield stress. The alloy is a candidate for use in magnetic-thrust bearings, fly wheels, and shafts requiring the above combination.