UNWROUGHT AND PARTLY WROUGHT COMMON METALS AND THEIR ALLOYS, NAMELY, IRON-ZINC ALLOY COATED STEEL SHEETS; STEEL AND IRON CASTINGS, FORGINGS, AND INGOTS; IRON PLATE; IRON WIRE; STEEL PIPE; STAINLESS STEEL PIPE; ZINC PLATE; FINISHED ZINC FOR USE IN THE FURTHER MANUFACTURE OF FINISHED GOODS; AND METAL RODS FOR WELDING AND BRAZING