Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 06 Other tubes, pipes and hollow profiles of iron or steel, welded, nes 73 06 90 Other, with an internal diameter more than 12.5 mm, an external diameter less than 1 73 06 90 97 Other, with an internal diameter more than 12.5 mm, an external diameter less than 1 Commodity Code Description 73 06 90 97 00 Other, with an internal diameter more than 12.5 mm, an external diameter less than 1
