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 Tubes, pipes and hollow profiles, riveted, of iron or steel, nes Commodity Code Description 73 06 90 00 Tubes, pipes and hollow profiles, riveted, of iron or steel, nes 73 06 90 11 With an external diagonal cross-section less than 12.5 mm 73 06 90 19 Other 73 06 90 91 High-pressure pipe with a yield strength not less than 42,000 psi, with an internal d 73 06 90 92 Other high pressure pipes 73 06 90 93 Other, with an external diagonal cross-section less than 12.5 mm 73 06 90 94 Other high pressure pipes, with an external diameter of less than 12.5 mm 73 06 90 95 Other high pressure pipes, with an external diameter of 12.5 mm or more 73 06 90 96 Other, with an external diagonal cross-section less than 12.5 mm 73 06 90 97 Other, with an internal diameter more than 12.5 mm, an external diameter less than 1 73 06 90 99 Other
