Other, of circular crosssection, of iron or nonalloy steel
Tubes, pipes and hollow profiles, seamless, of circular crosssection, of iron or nonalloy steel, colddrawn or coldrolled "coldreduced" (excl. cast iron products and line pipe of a kind used for oil or gas pipelines or casing and tubing of a kind used for drilling for oil or gas)
Tubes, pipes and hollow profiles, seamless, of circular crosssection, of iron or nonalloy steel, not colddrawn or coldrolled "coldreduced" (excl. cast iron products, line pipe of a kind used for oil or gas pipelines, casing and tubing of a kind used for drilling for oil or gas)