Explanatory notes
… - Other, of circular cross-section, of other alloy steel : 7304.51 - - Cold-drawn or cold-rolled (cold-reduced) 7304.59 - - Other 7304.90 - Other Tubes, pipes and hollow … pipe). Subheadings 7304.31, 7304.39, 7304.41, 7304.49, 7304.51 and 7304.59 In order to distinguish between the cold …