Explanatory notes
… of circular cross-section, of iron or non-alloy steel : 7304.31 - - Cold-drawn or cold-rolled (cold-reduced) 7304.39 - - … or 5AX for casing, tubing and drill pipe). Subheadings 7304.31, 7304.39, 7304.41, 7304.49, 7304.51 and 7304.59 In order …