7307.21—Flanges
General duty rate
3.3% – 5.6%
Across 2 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 7307.21 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 2 10-digit statistical lines, with general duty rates ranging from 3.3% to 5.6%. 11 Chapter 99 tariff modifications currently touch one or more lines under this subheading, and 6 AD/CVD orders flag at least one child line.
10-digit lines under 7307.21(2)
Pick a line to view full rate detail and compute landed duty
Tariff modifications(11)
Chapter 99 overlays touching one or more lines under 7307.21
| Code | Authority | Rate |
|---|---|---|
| 9903.82.02 | section_232 | 50% |
| 9903.82.04 | section_232 | 25% |
| 9903.82.15 | section_232 | 10% |
| 9903.81.90 | section_232 |
AD/CVD orders(6)
Antidumping or countervailing orders covering one or more lines under 7307.21
Frequently asked questions
What does HTS 7307.21 cover?
HTS 7307.21 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Flanges. It belongs to Chapter 73 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 7307.21?
General (Column 1) duty rates for the 10-digit lines under HTS 7307.21 range from 3.3% to 5.6%. 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 7307.21?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 7307.21 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 7307.21?
Learn more
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