721711 Wire of iron or nonalloy steel, Not plated or coated, whether or not polished, Containing by weight less than 0.25 percent of carbon
721712 Wire of iron or nonalloy steel, Plated or coated with zinc, Containing by weight less than 0.25 percent of carbon
721713 Wire of iron or nonalloy steel, Plated or coated with other base metals, Containing by weight less than 0.25 percent of carbon
721719 Other Wire of iron or nonalloy steel, Containing by weight less than 0.25 percent of carbon
721721 Wire of iron or nonalloy steel, Not plated or coated, whether or not polished, Containing by weight 0.25 percent or more but less than 0.6 percent of carbon
721722 Wire of iron or nonalloy steel, Plated or coated with zinc, Containing by weight 0.25 percent or more but less than 0.6 percent of carbon
721723 Wire of iron or nonalloy steel, Plated or coated with other base metals, Containing by weight 0.25 percent or more but less than 0.6 percent of carbon
721729 Other Wire of iron or nonalloy steel, Containing by weight 0.25 percent or more but less than 0.6 percent of carbon
721731 Wire of iron or nonalloy steel, Not plated or coated, whether or not polished, Containing by weight 0.6 percent or more of carbon
721732 Wire of iron or nonalloy steel, Plated or coated with zinc, Containing by weight 0.6 percent or more of carbon
721733 Wire of iron or nonalloy steel, Plated or coated with other base metals, Containing by weight 0.6 percent or more of carbon
721739 Other Wire of iron or nonalloy steel, Containing by weight 0.6 percent or more of carbon