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.CRUCIBLE CSM 420 is furnished in the annealed condition designed primarily for use in the molding of all plastics, including the vinyl-base and other corrosive plastics. Crucible's exclusive Densified process is used in the manufacture of this steel to insure freedom porosity, pinholes or voids.