| 73061011 | Of iron |
| 73061019 | Other |
| 73061021 | Of iron |
| 73061029 | Other |
| 73061100 | Line pipe of a kind used for oil or gas pipelines: Welded, of stainless steel |
| 73061911 | Galvanised pipes: Of iron |
| 73061919 | Galvanised pipes: Other |
| 73061921 | Non galvanised pipes: Of iron |
| 73061929 | Non galvanised pipes: Other |
| 73062010 | Of iron |
| 73062090 | Other |
| 73062100 | Casing and tubing of a kind used in drilling for oil or gas: Welded, of stainless steel |
| 73062911 | Other: Of iron |
| 73062919 | Other: Other |
| 73063010 | Other, welded, of circular cross- section, of iron or non-alloy steel: Of iron |
| 73063090 | Other, welded, of circular cross- section, of iron or non-alloy steel: Other |
| 73064000 | Other, welded, of circular cross- section, of iron or non-alloy steel: Other, welded, of circular cross-section, of stainless steel |
| 73065000 | Other, welded, of circular cross- section, of iron or non-alloy steel: Other, welded, of circular cross-section, of other alloy steel |
| 73066010 | Line pipe of a kind used for oil or gas pipeline: |
| 73066090 | Line pipe of a kind used for oil or gas pipeline: |
| 73066100 | Other, welded, of non-circular cross section: Of square or rectangular- cross- section |
| 73066900 | Other, welded, of non-circular cross section: Of other non-circular cross- section |
| 73069011 | ERW precision tubes: Of iron |
| 73069019 | ERW precision tubes: Other |
| 73069090 | ERW precision tubes: Other |