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

Heading 7304 of the US Harmonized Tariff Schedule covers Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 7304 at a glance

• 31 rated tariff lines; 31 duty-free at the general (MFN) rate.
• Section 301 (products of China): 31 of 31 lines on a list in effect (Four-year review (note 31), List 4A).

Goods named in this heading (official line texts): Of stainless steel, Of iron or nonalloy steel, Of other alloy steel, Drill pipe of stainless steel, Of iron or nonalloy steel, Of alloy steel, Threaded or coupled, Tubing, Threaded or coupled, Threaded or coupled, Of iron or nonalloy steel, Of other alloy steel, Hollow bars, Of an external diameter of less than 19 mm, Suitable for use in the manufacture of ball or roller bearings, Suitable for use.

Subheadings (6-digit)

• 7304.11: Line pipe of a kind used for oil or gas pipelines (1 line)
• 7304.19: Other (2 lines)
• 7304.22: Casing, tubing and drill pipe, of a kind used in drilling for oil or gas (1 line)
• 7304.23: Other drill pipe (2 lines)
• 7304.24: Casing (3 lines)
• 7304.29: Of iron or nonalloy steel (6 lines)
• 7304.31: Cold-drawn or cold-rolled (cold-reduced) (2 lines)
• 7304.39: Other, of circular cross section, of iron or nonalloy steel (1 line)
• 7304.41: Cold-drawn or cold-rolled (cold-reduced) (2 lines)
• 7304.49: Other, of circular cross section, of stainless steel (1 line)
• 7304.51: Cold-drawn or cold-rolled (cold-reduced) (2 lines)
• 7304.59: Other (4 lines)
• 7304.90: Having a wall thickness of 4 mm or more (4 lines)

All tariff lines in heading 7304

All of chapter 73 · Chapter 73 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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