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 59 High-pressure pipe with a yield strength not less than 42,000 psi 73 04 59 10 High-pressure pipe with a yield strength not less than 42,000 psi Commodity Code Description 73 04 59 10 00 High-pressure pipe with a yield strength not less than 42,000 psi