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.Stamold H.T. is an aged stainless steel, with 16% Cr, that is used in the molding of plastic to prevent corrosion while in storage and in the handling of corrosive plastics.