1.1 This specification covers steel sheet, produced by the Twin-Roll Cast Process (see Appendix X2) and zinc-coated (galvanized) by the hot-dip process in coils and cut lengths. NoteThis specification covers coils and cut lengths of steel sheets produced by the twin-roll cast process and zinc-coated (galvanized) by the hot-dip process. The material is available in several designations, categorized broadly as commercial steel (CS T