Harmonized Tariff Schedule of the U.S. › Chapter 73 Articles of iron or steel
7304.29.31.50Tariff line
Classification path
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
7304
Casing, tubing and drill pipe, of a kind used in drilling for oil or gas
Other
Casing
Of other alloy steel
Threaded or coupled
Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm
Having a wall thickness less than 12.7 mm
7304.29.31.50
Rates of duty
General rate (Column 1)Free
Special—
Column 228%
Unitkg
Printed page 2597
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.90ExemptexemptGoods entered under a 232 heading (METALS) are exempt from the forced-labor 301 duty (note 52(f))
- China 301 FYR-259903.91.01Applies+25%8-digit subheading 7304.29.31 is on FYR-25
- 232 steel / aluminum / copper & derivatives9903.82.02Applies+50%General (all other countries) | Tubes, pipes and hollow profiles, seamless, of iron (other than cast) or steel
- AD/CVD: 2 orders in placeConditional—Cash deposits follow the company-specific rate (ACE case module). Coverage depends on each order's scope. The table below lists case numbers, status and the all-others rate. The all-others deposit rate is counted in the maximum exposure, not in the confirmed total.
- AD/CVD 2 casesConditionalAD 99.14% + CVD 27.08%A570943 / C570944
Confirmed total 75% · max 201.22%Full duty breakdown →