Trade reference

HS code reference lookup

Enter a code (e.g. 8518 or 8518.30.20.00) or an English product name to see official schedule descriptions and the code hierarchy; when one description matches several candidate classifications they are all listed for you or your broker to weigh against product specifics.

Data: Harmonized Tariff Schedule of the United States (HTSUS) · Revision 22 (2026) · effective 10/30/2026 · USITC HTS · US public domain
中华人民共和国进出口税则(2026) · 税委会公告2025年第12号 · effective 2026-01-01 · official notice

A reference lookup is not a customs classification ruling. Duty rates shown are U.S. import rates only — they are not your destination country’s rates.

Digits (with or without dots) search by code prefix; words search English official descriptions. The dataset is English-only — Chinese terms get an explicit notice rather than a guess.

Chapter 73 — Articles of iron or steel · Section XV

Entries: 759

Code Level Official description Unit US duty (MFN / pref. / col.2)
7301 HS4 heading Sheet piling of iron or steel, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel: —
7301.10.00.00 US 10-digit Sheet piling kg Free / — / 2%
7301.20 HS6 subheading Angles, shapes and sections: —
7301.20.10.00 US 10-digit Of iron or nonalloy steel kg Free / — / 20%
7301.20.50.00 US 10-digit Of alloy steel kg Free / — / 28%
7302 HS4 heading Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: —
7302.10 HS6 subheading Rails: —
7302.10.10 US 8-digit Of iron or nonalloy steel Free / — / 1%
7302.10.10.10 US 10-digit Standard tee rails over 30 kg per meter kg —
7302.10.10.15 US 10-digit Over 30 kg per meter kg —
7302.10.10.25 US 10-digit Other kg —
7302.10.10.35 US 10-digit Standard tee rails over 30 kg per meter kg —
7302.10.10.45 US 10-digit Over 30 kg per meter kg —
7302.10.10.55 US 10-digit Other kg —
7302.10.10.65 US 10-digit Railway rails for rerolling kg —
7302.10.10.75 US 10-digit Other kg —
7302.10.50 US 8-digit Of alloy steel Free / — / 9%
7302.10.50.20 US 10-digit New kg —
7302.10.50.40 US 10-digit Railway rails for rerolling kg —
7302.10.50.60 US 10-digit Other kg —
7302.30.00.00 US 10-digit Switch blades, crossing frogs, point rods and other crossing pieces kg Free / — / 45%
7302.40.00.00 US 10-digit Fish-plates and sole plates kg Free / — / 2%
7302.90 HS6 subheading Other: —
7302.90.10.00 US 10-digit Sleepers (cross-ties) kg Free / — / 2%
7302.90.90.00 US 10-digit Other kg Free / — / 45%
7303.00.00 US 8-digit Tubes, pipes and hollow profiles, of cast iron Free / — / 33%
7303.00.00.30 US 10-digit Soil pipe kg —
7303.00.00.60 US 10-digit Pressure pipe with an inside diameter of less than 356 mm kg —
7303.00.00.90 US 10-digit Other kg —
7304 HS4 heading Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: —
7304.11.00 US 8-digit Of stainless steel Free / — / 35%
7304.11.00.20 US 10-digit Having an outside diameter not exceeding 114.3 mm kg —
7304.11.00.50 US 10-digit Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm kg —
7304.11.00.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.19 HS6 subheading Other: —
7304.19.10 US 8-digit Of iron or nonalloy steel Free / — / 25% *
7304.19.10.20 US 10-digit Having an outside diameter not exceeding 114.3 mm kg —
7304.19.10.30 US 10-digit Having an outside diameter exceeding 114.3 mm but less than 215.9 mm kg —
7304.19.10.45 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.19.10.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.19.10.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.19.50 US 8-digit Of other alloy steel Free / — / 35%
7304.19.50.20 US 10-digit Having an outside diameter not exceeding 114.3 mm kg —
7304.19.50.50 US 10-digit Having an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm kg —
7304.19.50.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.22.00 US 8-digit Drill pipe of stainless steel Free / — / 35%
7304.22.00.30 US 10-digit Having a wall thickness not exceeding 9.5 mm kg —
7304.22.00.45 US 10-digit Having a wall thickness exceeding 9.5 mm kg —
7304.22.00.60 US 10-digit Having an outside diameter exceeding 168.3 mm kg —
7304.23 HS6 subheading Other drill pipe: —
7304.23.30.00 US 10-digit Of iron or nonalloy steel kg Free / — / 25%
7304.23.60 US 8-digit Of alloy steel Free / — / 35%
7304.23.60.30 US 10-digit Having a wall thickness not exceeding 9.5 mm kg —
7304.23.60.45 US 10-digit Having a wall thickness exceeding 9.5 mm kg —
7304.23.60.60 US 10-digit Having an outside diameter exceeding 168.3 mm kg —
7304.24 HS6 subheading Other, of stainless steel: —
7304.24.30 US 8-digit Threaded or coupled Free / — / 28%
7304.24.30.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.24.30.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.24.30.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.24.30.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.24.30.45 US 10-digit Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm kg —
7304.24.30.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.24.40 US 8-digit Other Free / — / 8.5% *
7304.24.40.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.24.40.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.24.40.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.24.40.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.24.40.50 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.24.40.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.24.40.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.24.60 US 8-digit Tubing Free / — / 35%
7304.24.60.15 US 10-digit Having a wall thickness not exceeding 9.5 mm kg —
7304.24.60.30 US 10-digit Having a wall thickness exceeding 9.5 mm kg —
7304.24.60.45 US 10-digit Having an outside diameter exceeding 114.3 mm but less than 215.9 mm kg —
7304.24.60.60 US 10-digit Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm kg —
7304.24.60.75 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29 HS6 subheading Other: —
7304.29.10 US 8-digit Threaded or coupled Free / — / 20% *
7304.29.10.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.10.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.10.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.10.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.10.50 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.10.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.10.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29.20 US 8-digit Other Free / — / 1% *
7304.29.20.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.20.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.20.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.20.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.20.50 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.20.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.20.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29.31 US 8-digit Threaded or coupled Free / — / 28% *
7304.29.31.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.31.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.31.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.31.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.31.50 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.31.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.31.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29.41 US 8-digit Other Free / — / 8.5% *
7304.29.41.10 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.41.20 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.41.30 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.41.40 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.41.50 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.29.41.60 US 10-digit Having a wall thickness of 12.7 mm or more kg —
7304.29.41.80 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29.50 US 8-digit Of iron or nonalloy steel Free / — / 25% *
7304.29.50.15 US 10-digit Having a wall thickness not exceeding 9.5 mm kg —
7304.29.50.30 US 10-digit Having a wall thickness exceeding 9.5 mm kg —
7304.29.50.45 US 10-digit Having an outside diameter exceeding 114.3 mm but less than 215.9 mm kg —
7304.29.50.60 US 10-digit Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm kg —
7304.29.50.75 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.29.61 US 8-digit Of other alloy steel Free / — / 35%
7304.29.61.15 US 10-digit Having a wall thickness not exceeding 9.5 mm kg —
7304.29.61.30 US 10-digit Having a wall thickness exceeding 9.5 mm kg —
7304.29.61.45 US 10-digit Having an outside diameter exceeding 114.3 mm but less than 215.9 mm kg —
7304.29.61.60 US 10-digit Having an outside diameter of 215.9 mm or more but not exceeding 406.4 mm kg —
7304.29.61.75 US 10-digit Having an outside diameter exceeding 406.4 mm kg —
7304.31 HS6 subheading Cold-drawn or cold-rolled (cold-reduced): —
7304.31.30.00 US 10-digit Hollow bars kg Free / — / 22%
7304.31.60 US 8-digit Other Free / — / 25% *
7304.31.60.10 US 10-digit Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters kg —
7304.31.60.50 US 10-digit Other kg —
7304.39.00 US 8-digit Other Free / — / 25% *
7304.39.00.02 US 10-digit Having an outside diameter less than 38.1 mm kg —
7304.39.00.04 US 10-digit Having an outside diameter of 38.1 mm or more but less than 190.5 mm kg —
7304.39.00.06 US 10-digit Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm kg —
7304.39.00.08 US 10-digit Having an outside diameter exceeding 285.8 mm kg —
7304.39.00.16 US 10-digit Galvanized, having an outside diameter not exceeding 114.3 mm kg —
7304.39.00.20 US 10-digit Having an outside diameter less than 38.1 mm kg —
7304.39.00.24 US 10-digit Having a wall thickness less than 6.4 mm kg —
7304.39.00.28 US 10-digit Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm kg —
7304.39.00.32 US 10-digit Having a wall thickness exceeding 12.7 mm kg —
7304.39.00.36 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.39.00.40 US 10-digit Having a wall thickness of 12.7 mm or more but less than 19 mm kg —
7304.39.00.44 US 10-digit Having a wall thickness of 19 mm or more kg —
7304.39.00.48 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.39.00.52 US 10-digit Having a wall thickness of 12.7 mm or more but less than 19 mm kg —
7304.39.00.56 US 10-digit Having a wall thickness of 19 mm or more kg —
7304.39.00.62 US 10-digit Having a wall thickness less than 12.7 mm kg —
7304.39.00.68 US 10-digit Having a wall thickness of 12.7 mm or more but less than 19 mm kg —
7304.39.00.72 US 10-digit Having a wall thickness of 19 mm or more kg —
7304.39.00.76 US 10-digit Having a wall thickness less than 19 mm kg —
7304.39.00.80 US 10-digit Having a wall thickness of 19 mm or more kg —
7304.41 HS6 subheading Cold-drawn or cold-rolled (cold-reduced): —
7304.41.30 US 8-digit Of an external diameter of less than 19 mm Free / — / 36%

Browse by chapter

Chapters 01–97 of the Harmonized System (US chapters 98/99 are national legislation and not included).

Section I — Live Animals; Animal Products
Section II — Vegetable Products
Section III — Animal, Vegetable Or Microbial Fats And Oils And Their Cleavage Products; Prepared Edible Fats; Animal Or Vegetable Waxes
Section IV — Prepared Foodstuffs; Beverages, Spirits And Vinegar; Tobacco And Manufactured Tobacco Substitutes; Products, Whether Or Not Containing Nicotine, Intended For Inhalation Without Combustion; Other Nicotine Containing Products Intended For The Intake Of Nicotine Into The Human Body
Section V — Mineral Products
Section VI — Products Of The Chemical Or Allied Industries
Section VII — Plastics And Articles Thereof; Rubber And Articles Thereof
Section VIII — Raw Hides And Skins, Leather, Furskins And Articles Thereof; Saddlery And Harness; Travel Goods, Handbags And Similar Containers; Articles Of Animal Gut (Other Than Silkworm Gut)
Section IX — Wood And Articles Of Wood; Wood Charcoal; Cork And Articles Of Cork; Manufactures Of Straw, Of Esparto Or Of Other Plaiting Materials; Basketware And Wickerwork
Section X — Pulp Of Wood Or Of Other Fibrous Cellulosic Material; Recovered (Waste And Scrap) Paper Or Paperboard; Paper And Paperboard And Articles Thereof
Section XI — Textiles And Textile Articles
Section XII — Footwear, Headgear, Umbrellas, Sun Umbrellas, Walking-Sticks, Seat-Sticks, Whips, Riding-Crops And Parts Thereof; Prepared Feathers And Articles Made Therewith; Artificial Flowers; Articles Of Human Hair
Section XIII — Articles Of Stone, Plaster, Cement, Asbestos, Mica Or Similar Materials; Ceramic Products; Glass And Glassware
Section XIV — Natural Or Cultured Pearls, Precious Or Semiprecious Stones, Precious Metals, Metals Clad With Precious Metal, And Articles Thereof; Imitation Jewelry; Coin
Section XV — Base Metals And Articles Of Base Metal
Section XVI — Machinery And Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders And Reproducers, Television Image And Sound Recorders And Reproducers, And Parts And Accessories Of Such Articles
Section XVII — Vehicles, Aircraft, Vessels And Associated Transport Equipment
Section XVIII — Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical Or Surgical Instruments And Apparatus; Clocks And Watches; Musical Instruments; Parts And Accessories Thereof
Section XIX — Arms And Ammunition; Parts And Accessories Thereof
Section XX — Miscellaneous Manufactured Articles
Section XXI — Works Of Art, Collectors' Pieces And Antiques

What this data covers — and what it does not

  • International layer: HS chapters 01–97 with 4-digit headings and 6-digit subheadings (HS 2022 edition) — the part shared by every member country’s tariff schedule.
  • US layer: 8-digit rate lines and 10-digit statistical suffixes of the US HTS, clearly badged; the duty columns are US import rates for reference only.
  • China layer: PRC 2026 tariff schedule 8-digit lines with official Chinese names and MFN/ordinary rates, matched to international rows by shared HS6 prefix; provisional (△), agreement, quota, VAT/consumption and 10-digit customs numbers are not in scope.
  • Not included: the EU’s 8-digit CN codes, other countries’ national extensions, WCO Explanatory Notes, and US chapters 98/99 (national legislation).
  • Descriptions are English-only. Classification of a real product needs the General Rules of Interpretation plus material, composition, use and processing details — treat every result as a candidate, not a ruling.

Official verification

For declarations, pre-classification or current rates, use an official channel:

Frequently asked

Can I declare with the code I find here?

No — this is a reference lookup. Candidate codes, official descriptions and hierarchy are informational, not a customs classification ruling. Formal classification applies the General Rules of Interpretation to material, composition, use and processing; ask your customs authority for a binding ruling when needed.

Why does one product name return several codes?

That's normal. The same description appears at different levels (heading/subheading/statistical suffix) and under different chapters — cotton, for example, lives in the yarn, fabric and apparel chapters alike. The tool lists every candidate instead of guessing one answer for you.

Whose 8- and 10-digit codes are these?

The international Harmonized System only standardizes the first six digits (2-digit chapter + 4-digit heading + 6-digit subheading). The 8/10-digit codes here are US HTS national extensions and are labelled as such; China uses an 8-digit tariff schedule and the EU an 8-digit CN code — neither is in this dataset.

Are the duty rates shown what I'd pay importing to my country?

No. The rate columns are US import duty (General MFN / Special preferential / Column 2) — they apply to imports into the United States and are shown for reference only. Check the official tariff service of your destination country for actual rates.

How does Chinese search work?

Chinese terms are matched verbatim against the official Chinese product names in the PRC 2026 tariff schedule — no machine translation, no guessed codes. Colloquial names may miss; try a more formal name or English.

How fresh is the data?

The snapshot is the USITC's 2026 HTS Revision 22 (effective 2026-10-30); the page always shows the release and its effective date and warns when the snapshot grows stale. Use the official live service for filings.

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