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.NICROBRAZ 51 is a low-melting, free-flowing filler metal similar to Nicrobraz 50 except for greater strength, and heat and corrosion resistance.