8101.99—Tungsten (wolfram) and articles thereof, including waste and scrap, otherGeneral duty rate
3.7% – 6.5%
Across 2 10-digit lines; pick a line below for the exact rate
Coverage on this page
Up one level: — Tungsten (wolfram) and articles thereof, including waste and scrap: (heading)
HTS 8101.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Tungsten (wolfram) and articles thereof, including waste and scrap, other. It sits in Chapter 81: Other base metals; cermets; articles thereof, Section XV: Base Metals and Articles of Base Metal and rolls up 2 10-digit statistical lines, with general duty rates ranging from 3.7% to 6.5%. 1 Chapter 99 flag links to one or more child lines (1 active), and 2 potentially relevant AD/CVD order flags link to at least one child line.
Pick a line to view its exact rate and estimate duties and customs fees
Provisions linked to one or more lines under 8101.99; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.91.11 | section_301Active | The duty provided in the applicable subheading + 25% |
HTS-linked orders for one or more lines under 8101.99; written scope controls whether a product is covered
HTS 8101.99 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Tungsten (wolfram) and articles thereof, including waste and scrap, other. It belongs to Chapter 81 and rolls up 2 10-digit statistical lines that brokers actually file at entry.
General (Column 1) duty rates for the 10-digit lines under HTS 8101.99 range from 3.7% to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
Tandom links section_301 provision 9903.91.11 to HTS 8101.99. Its published rate notation is The duty provided in the applicable subheading + 25%, and its status on 2026-09-26 is active. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 8101.99 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Tandom links 2 potentially relevant AD/CVD order flags to at least one 10-digit line under HTS 8101.99. An HTS link is a screening aid; whether a shipment is covered depends on the order's written product scope and country of origin. Use the linked lookup to review the case materials.
Tandom guides relevant to this code
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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Drop the Tandom Duty Calculator API into a TMS, broker software, or in-house ERP. Code samples, the response shape, and ACE reporting order, in 2026.
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What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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