720711 Semifinished products of iron or nonalloy steel Of rectangular (including square) cross-section, the width measuring less than twice the thickness
720712 Other Semifinished products of iron or nonalloy steel, of rectangular (other than square) cross section
720719 Other Semi-finished Products of Iron, Less than 0.25% of Carbon
720720 Semifinished products of iron or nonalloy steel, Containing by weight 0.25 percent or more of carbon
