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Ship & Customs · HS Chapter 81

HS codes, chapter 81.

The 10 four-digit headings of Harmonized System chapter 81, 8101 to 8112, as published in the US Harmonized Tariff Schedule. Each heading opens the free lookup with its ten-digit statistical lines, the Schedule B export numbers that share its first six digits, and the general duty rate on every line.

Catalog snapshot: August 23, 2026. Source: USITC Harmonized Tariff Schedule headings in the RevAddress tariff catalog.

HeadingCovers
8101Tungsten (wolfram) and articles thereof, including waste and scrap
8102Molybdenum and articles thereof, including waste and scrap
8103Tantalum and articles thereof, including waste and scrap
8104Magnesium and articles thereof, including waste and scrap
8105Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap
8106Bismuth and articles thereof, including waste and scrap
8108Titanium and articles thereof, including waste and scrap
8109Zirconium and articles thereof, including waste and scrap
8110Antimony and articles thereof, including waste and scrap
8112Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, vanadium, gallium, indium and niobium (columbium), and articles of these metals, including waste and scrap

A four-digit heading is the family; customs forms want the full code. USPS customs forms take the ten-digit HTS number on outbound mail, and export filings take the Schedule B number. Open a heading in the lookupto pick the exact line, or search by what the product is in plain words.

Classifying more than one product?

The lookup is free with no daily cap. A whole catalog is one file: upload it and every SKU comes back with its HS heading, the ten-digit candidates, and the duty path, from $47.

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