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.NICROFER 3620 Cb is a nickel-chromium-copper-molybdenum alloy that is stabilized (against intergranular corrosion) by columbian. It is resistant to corrosion in a wide variety of oxidizing and reducing media. This alloy is used extensively in various areas of the chemical industry.