Explanatory notes
… steel 7306.29 - - Other 7306.30 - Other, welded, of circular cross-section, of iron or non-alloy steel 7306.40 - Other, welded, of circular cross-section, of stainless steel 7306.50 - Other, … and hollow profiles. * * * This heading includes, in particular, line pipes of a kind used for oil or gas, casing …