Product classification
HS code for Tantalum sheets: 8103.99
Tantalum, articles n.e.c. in heading no. 8103.
Classification of tantalum sheets under HS 8103.99
Tantalum sheets are classified under HS code 8103.99. Tantalum is a refractory metal known for its high melting point and resistance to chemical attack. Sheets are semi-finished products typically produced by cold-rolling tantalum ingots. In the Harmonized System, base metals and their articles are classified in Section XV. Chapter 81 covers "Other base metals; cermets; articles thereof," and heading 8103 is specific to tantalum. Unlike more common metals like copper or aluminum, which have specific headings for plates, sheets, and strips (e.g., 7409 or 7606), tantalum's nomenclature is less granular. Therefore, semi-manufactured forms like sheets are classified under the general "articles" sub-heading 8103.99. This is consistent with the Explanatory Notes to the Harmonized System, which state that heading 8103 covers tantalum in all its forms. The classification under 8103.99 is used for products that have been worked beyond the stage of unwrought metal (8103.20) but are not yet finished products of other chapters. These sheets are essential in the fabrication of chemical reaction vessels and heat exchangers due to their inertness.
- Covers
- Cold-rolled tantalum sheets
- Tantalum foil (thin sheets)
- Tantalum strips
- Polished tantalum plates
- Tantalum alloy sheets
- Also under 8103.99
- Global Advanced Metals Tantalum Heat Exchangers
- H.C. Starck Tantalum Sputtering Targets
- Zimmer Biomet Tantalum Implants
- Ningxia Orient Tantalum Industry Tantalum Tubes
Codes often confused with 8103.99
Common mistake. Tantalum sheets are often misclassified under HS code 8103.20. Code 8103.20 is reserved for unwrought tantalum, including powders and ingots. Once the metal has been rolled into a sheet, it is considered "wrought" and must move to the 8103.99 category. They should also not be confused with 8532.90, which covers parts of capacitors, even if the sheets are intended for capacitor manufacture.
Top exporters and importers of HS 810399 (the code used for tantalum sheets), 2025
In 2025, the largest exporter of HS 810399 (the code used for tantalum sheets) in UN Comtrade data was China, with 60% of world exports; the largest importer in UN Comtrade data was South Korea, with 34% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 810399, not only tantalum sheets.
Top exporters 2025 · share of world exports
- 1 China $193M 60% of world exports
- 2 United States $81M 25% of world exports
- 3 Germany $11M 3.4% of world exports
World total: $322M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 South Korea $117M 34% of world imports
- 2 China $63M 18% of world imports
- 3 United States $48M 14% of world imports
World total: $348M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for tantalum sheets
Brazil classifies tantalum sheets under NCM 8103.99.00: HS 8103.99 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about tantalum sheets
What is the HS code for Tantalum sheets?
The HS code for Tantalum sheets is 810399 (Tantalum; articles n.e.c. in heading no. 8103). Tantalum sheets are classified under HS code 8103.99.
How do I classify Tantalum sheets for customs?
Tantalum sheets is classified under HS code 810399 — Tantalum; articles n.e.c. in heading no. 8103. This is a 6-digit subheading level code.
Are tantalum sheets subject to different duties than tantalum powder?
Yes, because they are classified under different sub-headings (8103.99 vs 8103.20), they may be subject to different tariff rates and trade regulations depending on the importing country.
Which countries are the top exporters of tantalum sheets (HS 810399)?
In 2025, the top exporters of HS 810399 (the code used for tantalum sheets) in UN Comtrade data were China ($193M, 60% of world exports), the United States ($81M) and Germany ($11M). World exports came to about $322M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of tantalum sheets (HS 810399)?
In 2025, the top importers of HS 810399 (the code used for tantalum sheets) in UN Comtrade data were South Korea ($117M, 34% of world imports), China ($63M) and the United States ($48M). World imports came to about $348M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Tantalum sheets the same in all countries?
The base HS code 810399 for Tantalum sheets is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for tantalum sheets in Brazil?
In Brazil, tantalum sheets (HS 810399) is classified under NCM 8103.99.00.