Code 7304 29

OTHER CASING, TUBING AND DRILL PIPE, OF A KIND USED IN DRILLING FOR OIL OR GAS, OF IRON (OTHER THAN CAST IRON)

SECTION XV. Base metals and articles of base metal

73 ARTICLES OF IRON OR STEEL

7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:

casing, tubing and drill pipe, of a kind used in drilling for oil or gas:

7304 29 other:

7304 29 100 with outer diameter not exceeding 168.3 mm:

7304 29 300 with outer diameter exceeding 168.3 mm, but not exceeding 406.4 mm:

7304 29 900 with outer diameter exceeding 406.4 mm: