730411 | Iron or steel (excluding cast iron); seamless, line pipe of a kind used for oil or gas pipelines, of stainless steel |
730419 | Iron or steel (excluding cast iron or stainless steel); seamless, line pipe of a kind used for oil or gas pipelines |
730422 | Steel, stainless; seamless, drill pipe, of a kind used in drilling for oil or gas |
730423 | Iron or steel (excluding cast iron or stainless steel); seamless, drill pipe, of a kind used in drilling for oil or gas |
730424 | Steel, stainless; seamless, casing and tubing, of a kind used in drilling for oil or gas |
730429 | Iron or steel (excluding cast iron or stainless steel); seamless, casing and tubing, of a kind used in drilling for oil or gas |
730431 | Iron or non-alloy steel (excluding cast iron); seamless, cold-drawn or cold-rolled, tubes, pipes and hollow profiles of circular cross-section |
730439 | Iron or non-alloy steel (excluding cast iron); seamless, (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section |
730441 | Steel, stainless; cold-drawn or cold-rolled (cold-reduced), tubes and pipes of circular cross-section |
730449 | Steel, stainless; (excluding cold-drawn or cold-rolled), tubes pipes and hollow profiles of circular cross-section |
730451 | Steel, alloy (not stainless steel); seamless, cold-drawn or cold-rolled (cold-reduced), tubes, pipes and hollow profiles of circular cross-section |
730459 | Steel, alloy (not stainless steel); (excluding cold-drawn or cold-rolled), tubes, pipes and hollow profiles of circular cross-section |
730490 | Iron or steel (excluding cast iron); seamless, tubes, pipes and hollow profiles, seamless, n.e.c. in heading no. 7304 |