Chapter 81 HS Codes: Chapter 81 Commodities
CHAPTER DEFINITION & SCOPE
HS Chapter 81 of the WCO Harmonized System covers chapter 81 commodities. It groups 12 4-digit WCO headings and 56 6-digit subheadings under the official 2026 customs nomenclature [USITC HTS 2026].
Chapter
Ch 81
Headings
12 Headings
Subheadings
56 HS6
US Tariff Status
Active 2026
Chapter 81 4-Digit Headings Directory
| Heading | WCO Heading Description | Subheading Count | Directory Link |
|---|---|---|---|
| Heading 8101 | Tungsten (wolfram) and articles thereof, including waste and scrap | 5 subheadings | Browse Heading 8101 → |
| Heading 8102 | Molybdenum and articles thereof, including waste and scrap | 6 subheadings | Browse Heading 8102 → |
| Heading 8103 | Tantalum and articles thereof, including waste and scrap | 4 subheadings | Browse Heading 8103 → |
| Heading 8104 | Magnesium and articles thereof, including waste and scrap | 5 subheadings | Browse Heading 8104 → |
| Heading 8105 | Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap | 3 subheadings | Browse Heading 8105 → |
| Heading 8106 | Bismuth and articles thereof, including waste and scrap | 2 subheadings | Browse Heading 8106 → |
| Heading 8108 | Titanium and articles thereof, including waste and scrap | 3 subheadings | Browse Heading 8108 → |
| Heading 8109 | Zirconium and articles thereof, including waste and scrap | 6 subheadings | Browse Heading 8109 → |
| Heading 8110 | Antimony and articles thereof, including waste and scrap | 3 subheadings | Browse Heading 8110 → |
| Heading 8111 | Manganese and articles thereof, including waste and scrap | 1 subheadings | Browse Heading 8111 → |
| Heading 8112 | Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium (columbium), and articles of these metals, including waste and scrap | 17 subheadings | Browse Heading 8112 → |
| Heading 8113 | Cermets and articles thereof, including waste and scrap | 1 subheadings | Browse Heading 8113 → |
Chapter 81 Subheading Sample & MFN Duty Rates
| HS Code | Subheading Description | Heading | Action |
|---|---|---|---|
| 8101.10 | Tungsten (wolfram) and articles thereof, including waste and scrap, Powders | 8101 | View 8101.10 → |
| 8101.94 | Other, Unwrought tungsten, including bars and rods obtained simply by sintering | 8101 | View 8101.94 → |
| 8101.96 | Tungsten (wolfram) and articles thereof, including waste and scrap, Other, Wire | 8101 | View 8101.96 → |
| 8101.97 | Other, Waste and scrap | 8101 | View 8101.97 → |
| 8101.99 | Tungsten (wolfram) and articles thereof, including waste and scrap, Other, Other | 8101 | View 8101.99 → |
| 8102.10 | Molybdenum and articles thereof, including waste and scrap, Powders | 8102 | View 8102.10 → |
| 8102.94 | Other, Unwrought molybdenum, including bars and rods obtained simply by sintering | 8102 | View 8102.94 → |
| 8102.95 | Molybdenum and articles thereof, including waste and scrap, Other, Bars and rods, other than those obtained simply by sintering, profiles, plates, sheets, strip and foil | 8102 | View 8102.95 → |
| 8102.96 | Molybdenum and articles thereof, including waste and scrap, Other, Wire | 8102 | View 8102.96 → |
| 8102.97 | Other, Waste and scrap | 8102 | View 8102.97 → |
| 8102.99 | Molybdenum and articles thereof, including waste and scrap, Other, Other | 8102 | View 8102.99 → |
| 8103.20 | Unwrought tantalum, including bars and rods obtained simply by sintering; powders | 8103 | View 8103.20 → |
| 8103.30 | Waste and scrap | 8103 | View 8103.30 → |
| 8103.91 | Tantalum and articles thereof, including waste and scrap, Other, Crucibles | 8103 | View 8103.91 → |
| 8103.99 | Tantalum and articles thereof, including waste and scrap, Other, Other | 8103 | View 8103.99 → |
EXPERT CLASSIFICATION PRO TIPS
Common Pitfalls When Classifying Chapter 81 Goods
- Always review WCO Section and Chapter Legal Notes before assigning 4-digit headings.
- Distinguish carefully between unprocessed raw materials and further prepared or processed articles.
- Verify Partner Government Agency (PGA) flags for agriculture, food, or chemical items.
- Cross-reference official CBP CROSS rulings for binding precedents on mixed or composite goods.
Official Primary Sources & Authority References
USITC HTS Chapter 81 Tariff ↗
United States International Trade Commission official Harmonized Tariff Schedule.
CBP CROSS Rulings ↗
Customs Rulings Online Search System for Chapter 81 binding classification precedents.
WCO HS Nomenclature ↗
World Customs Organization international 6-digit Harmonized System backbone standard.
U.S. Census Foreign Trade ↗
U.S. Census Bureau trade statistics and Schedule B concordance portal.
Chapter 81 Frequently Asked Questions (FAQ)
What commodities are covered under HS Chapter 81?
Chapter 81 (Chapter 81 Commodities) covers WCO Harmonized System 4-digit headings from 8101 upward, encompassing primary goods, raw materials, and manufactured articles within this nomenclature section.
How many 4-digit headings exist in HS Chapter 81?
Chapter 81 contains 12 official 4-digit WCO headings and 56 6-digit tariff subheadings.
What is the US general import duty range for Chapter 81 commodities?
Base customs duties under Chapter 81 range from 0.0% (Duty-Free) up to representative MFN rate limits depending on 10-digit HTS statistical suffix extensions.
Do Section 301 China tariffs apply to Chapter 81 imports?
Section 301 tariffs depend on specific 8-digit HTS subheadings. Importers must verify if their exact HTS code appears on USTR Lists 1 through 4A.
Are Partner Government Agency (PGA) permits required for Chapter 81?
PGA message-set flags (such as FDA, USDA APHIS, EPA, or CITES) apply conditionally depending on the commodity classification within Chapter 81.
How are products classified between adjacent headings in Chapter 81?
Classification follows WCO General Rules of Interpretation (GRI) 1 through 6, prioritizing specific heading terms over general descriptions.
Can Chapter 81 goods enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in USMCA member states (US, Mexico, Canada) or FTA partners enter duty-free under SPI code P, KR, AU, or CL with a valid Certificate of Origin.
What is the Section 321 de minimis limit for Chapter 81 shipments?
Eligible commercial shipments valued at $800 USD or less imported by one person on one day may enter duty-free under 19 U.S.C. 1321.
What documents are required for formal entry of Chapter 81 goods?
Commercial Invoice, Packing List, Bill of Lading/Air Waybill, and entry summary CBP Form 7501 are mandatory for entries exceeding $2,500 USD.
How can an importer obtain a binding CBP ruling for Chapter 81?
Importers may submit an e-Ruling application under 19 CFR Part 177 to CBP National Commodity Specialist Division.