HTS heading 8105: Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap

Heading 8105 of the US Harmonized Tariff Schedule covers Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 8105 at a glance

5 rated tariff lines; 3 duty-free at the general (MFN) rate.
Ad valorem general rates from 3.7% to 4.4%.
Section 301 (products of China): 5 of 5 lines on a list in effect (List 3).

Goods named in this heading (official line texts): Alloys, Waste and s….

Subheadings (6-digit)

8105.20: Unwrought cobalt (3 lines)
8105.30: Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and a…: Waste and s… (1 line)
8105.90: Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and a…: Other (1 line)

All tariff lines in heading 8105

Line	Description	General	Section 301 (China)
8105.20.30	Unwrought cobalt: Alloys	4.4%	List 3 +25%
8105.20.60	Unwrought cobalt: Other	Free	List 3 +25%
8105.20.90	Cobalt mattes and other intermediate products of cobalt metallurgy; unwrought co…: Other	Free	List 3 +25%
8105.30.00	Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and a…: Waste and s…	Free	List 3 +25%
8105.90.00	Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and a…: Other	3.7%	List 3 +25%

All of chapter 81 · Chapter 81 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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