U.S. import tariffs · heading 7303

Heading 7303: Tubes, pipes and hollow profiles, of cast iron

Every line of heading 7303 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.

Tubes, pipes and hollow profiles, of cast iron

Chapter 73: Articles of iron or steel. Schedule checked on November 8, 2026.

Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →

Tariff lines

HTS codeOfficial descriptionGeneral rate
7303.00.00Tubes, pipes and hollow profiles, of cast ironFree
7303.00.00.30Soil pipe
7303.00.00.60Pressure pipe with an inside diameter of less than 356 mm
7303.00.00.90Other

Exporting this product from the U.S.?

Exports are reported with Schedule B numbers. Heading 7303 has 3 of them. Schedule B lookup →

  • 7303.00.0030SOIL PIPE OF CAST IRON
  • 7303.00.0060PRESSURE PIPE OF CAST IRON, WITH AN INSIDE DIAMETER OF LESS THAN 356 MM
  • 7303.00.0090TUBES, PIPES AND HOLLOW PROFILES OF CAST IRON, NESOI

Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.

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