Chapter 73, Iron and steel articles / Heading 7303
HTS 7303.00.00: Tubes, pipes and hollow profiles, of cast iron
Schedule text: Tubes, pipes and hollow profiles, of cast iron. Classification: Tubes, pipes and hollow profiles, of cast iron
General rate of duty
Free
Column 1, USITC schedule
From China, all in
75%
Priced live by the Gateway engine
Section 301 China
25%
List 3
Forced labor 301
exempt
9903.05.90
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: Free 7303.00.00 | 0% | $0.00 |
Section 301 China (List 3) | 25% | $2,500.00 |
Section 232 Steel As of April 6, 2026, CBP may assess Section 232 metals duties based on US sales price rather than declared customs value. | 50% | $5,000.00 |
Effective duty rate | 75% | $7,500.00 |
Checked and not applied
- Section 301 forced labor: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52)
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Related lines
Statistical lines under the same 8-digit heading share one legal rate; the last two digits report statistics.
- 7303.00.00.30Soil pipe
- 7303.00.00.60Pressure pipe with an inside diameter of less than 356 mm
- 7303.00.00.90Other
Questions about this example
- What is HTS code 7303.00.00?
- HTS 7303.00.00 covers tubes, pipes and hollow profiles, of cast iron; the schedule's own line text is "Tubes, pipes and hollow profiles, of cast iron". Its full classification path in the Harmonized Tariff Schedule of the United States is: Tubes, pipes and hollow profiles, of cast iron. It sits in chapter 73 (Iron and steel articles) under heading 7303.
- What is the general duty rate for HTS 7303.00.00?
- The Column 1 general rate of duty is Free. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 7303.00.00 from China?
- Priced on $10,000 of goods, the effective duty from China is 75%: 0% general rate + 25% Section 301 + 50% Section 232 Steel. Section 301 applies (List 3). Forced-labor duty: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52).
- Which lines are related to HTS 7303.00.00?
- Neighbouring statistical lines under the same 8-digit heading are listed on this page. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.