Code 7304 51 810

OTHER, OF CIRCULAR CROSS-SECTION OF OTHER ALLOY STEEL, COLD-DRAWN OR COLD-ROLLED, PRECISION TUBING

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:

other, of circular cross-section, of other alloy steel:

7304 51 cold-drawn or cold-rolled (cold-reduced):

other:

7304 51 810 precision piping:

7304 51 810 1 with attached fittings, suitable for delivery of gases or liquids, of a kind used on civil aircrafts

7304 51 810 9 other