Code 7304
TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL
SECTION XV. Base metals and articles of base metal
7304
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:
line pipe of a kind used for oil or gas pipelines:
casing, tubing and drill pipe, of a kind used in drilling for oil or gas:
other, of circular cross-section, of iron or non-alloy steel:
other, of circular cross-section, of stainless steel:
other, of circular cross-section, of other alloy steel: