Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 04 Tubes, pipes and hollow profiles, seamless, of iron (excl. cast), steel 73 04 51 Seamless alloy tubes/pipes/profiles, cold-drawn/rolled Commodity Code Description 73 04 51 00 Seamless alloy tubes/pipes/profiles, cold-drawn/rolled 73 04 51 10 Drillrod casing and tubing with pin and box threads 73 04 51 20 High-pressure pipe with a yield strength not less than 42,000 psi 73 04 51 90 Other
