HTS 7307 · Chapter 73
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:
General (MFN) duty, special preferential rates, and where HTS 7307 sits in the US Harmonized Tariff Schedule.
- Free
- General (MFN) rate
- None
- Special / FTA rate
- None
- Column 2 (non-MFN)
- Ch 73
- Articles of iron or st…
According to the U.S. International Trade Commission Harmonized Tariff Schedule 2026 Basic Edition, PlainTariff indexes 13,855 Column 1 general-rate tariff lines across 96 chapters as of August 2026. See our methodology for how rates are parsed and when the USITC vintage updates.
The verdict
HTS 7307 enters the US duty-free under the general (MFN) rate, no tariff applies to most imports of this classification.
- Free
- General (MFN) rate
- Ch 73
- Articles of iron or st…
Where HTS 7307 sits in the US duty-rate distribution
All rate-bearing tariff lines in the USITC HTS 2026 Basic Edition; this is a rate comparison, not a classification recommendation.
0% Duty-free at the lowest observed value among 13,544 rate-bearing tariff lines
USITC tariff lines grouped by their published general (MFN) duty rate
Each bar is a published general (MFN) duty-rate band; taller bars hold more rate-bearing tariff lines. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source US International Trade Commission Harmonized Tariff Schedule · 2026-05-15
About HTS 7307
HTS code 7307 classifies imports of: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel:. This line sits within Chapter 73 (Articles of iron or steel), Section XV (Base Metals and Articles of Base Metal), and is catalogued as a heading in the USITC 2026 Basic Edition. The schedule specifies ad valorem (percentage-of-value) duty for this line. Chapter 73 covers a broad category with many neighboring tariff lines, so double-check the classification against the closest matches before filing.
The general (MFN / Column 1 General) rate for HTS 7307 is Free, which applies to most trading partners of the United States. No special preferential rate is listed for this line, so FTA origin alone will not reduce the general duty. Because the general rate is Free, most imports under this code enter the US without duty, though anti-dumping, countervailing, or Section 301 tariffs can still apply depending on country of origin.
Beyond the published rate, importers should check for Section 201 safeguards, Section 301 China tariffs, and any active AD/CVD orders that can materially change the real landed cost. Always verify the classification with a licensed customs broker before committing to a supply contract, this page is a research tool, not a customs ruling.
Duty Rate Summary, HTS 7307
| Rate Column | Value | Applies To |
|---|---|---|
| General (Column 1) | Free | Most-favored-nation (MFN) trading partners, the default rate for most US imports. |
| Special | Not listed | Preferential rates under FTAs (USMCA, CAFTA-DR, GSP, etc.) when origin qualifies. |
| Column 2 | Not listed | Statutory non-MFN rate for goods from countries without normal trade relations (Cuba, North Korea). |
Source: USITC Harmonized Tariff Schedule 2026 Basic Edition. See methodology for refresh cadence.
Details
- Chapter
- 73: Articles of iron or steel
- Classification
- Heading
Related Items in Chapter 73
Showing 10 of 250 tariff lines in HTS Chapter 73.
Sheet piling
Of iron or nonalloy steel
Of alloy steel
Of iron or nonalloy steel
Of alloy steel
Switch blades, crossing frogs, point rods and other crossing pieces
Fish-plates and sole plates
Sleepers (cross-ties)
Other
Tubes, pipes and hollow profiles, of cast iron
Next steps
HTS 7307 is one line in the schedule. Drill up to the chapter or out to tools and rankings.
- Browse 250 tariff lines in Chapter 73. Chapter 73
- See all 12 chapters under Section XV. Section XV
- Estimate landed duty for a shipment in this chapter. Tariff calculator
- Compare other duty-free tariff lines nationwide. Duty-free board
- Save HTS lines you monitor on this device. Tariff watchlist
Preferential (Special) rates and Section 301/232 duties may change the duty a shipment actually pays.
Frequently Asked Questions
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Sources: U.S. International Trade Commission Harmonized Tariff Schedule (2026 Basic Edition) and FAO FAOSTAT Trade: Crops and Livestock. See our methodology for how figures are computed.
Every figure on PlainTariff is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.