Chapter 73: Articles of iron or steel
HTS heading 7303: Tubes, pipes and hollow profiles, of cast iron
4 numbered lines under heading 7303, including 3 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 7303.00.00 | Tubes, pipes and hollow profiles, of cast iron | Free | 33% | ||
| 7303.00.00.30 | Soil pipe | kg | |||
| 7303.00.00.60 | Pressure pipe with an inside diameter of less than 356 mm | kg | |||
| 7303.00.00.90 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.