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.NIKROTHAL 8 is a nickel-chromium electrical-resistance alloy for use in appliances and industrial furnaces. Its maximum recommended element temperature in continuous use is 1200 C (2190 F). Nikrothal 8 is non-magnetic, highly resistant to corrosion, and has a lower temperature coefficient of electrical resistance than other alloys for heating elements.