7307.91—Flanges
General duty rate
3.2% – 5.5%
Across 6 10-digit lines; pick a line below for the exact rate
Coverage on this page
Up one level: 7307 — Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: (heading)
Plain-English explanation
HTS 7307.91 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Flanges. It sits in Chapter 73: Articles of iron or steel, Section XV: Base Metals and Articles of Base Metal and rolls up 6 10-digit statistical lines, with general duty rates ranging from 3.2% to 5.5%. 9 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 4 AD/CVD orders flag at least one child line.
10-digit lines under 7307.91(6)
Pick a line to view full rate detail and compute landed duty
Tariff modifications(9)
Chapter 99 overlays touching one or more lines under 7307.91
| Code | Authority | Rate |
|---|---|---|
| 9903.82.02 | section_232 | 50% |
| 9903.81.90 | section_232 | The duty provided in the applicable subheading + 50%. |
| 9903.81.92 | section_232 | The duty provided in the applicable subheading. |
| 9903.81.97 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.80.03 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.99 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.86 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.84 | section_232 | The duty provided in the applicable subheading + 25% |
| 9903.81.93 | section_232 | The duty provided in the applicable subheading + 50%. |
AD/CVD orders(4)
Antidumping or countervailing orders covering one or more lines under 7307.91
Frequently asked questions
What does HTS 7307.91 cover?
HTS 7307.91 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Flanges. It belongs to Chapter 73 and rolls up 6 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 7307.91?
General (Column 1) duty rates for the 10-digit lines under HTS 7307.91 range from 3.2% to 5.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 7307.91?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 7307.91 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 7307.91?
Yes — 4 AD/CVD orders flag at least one 10-digit line under HTS 7307.91. Whether a specific shipment falls in scope depends on the country of origin and the order's scope determination. See compliance.tandom.ai for full coverage detail.
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