Product classification
HS code for Tantalum crucibles: 8103.91
Tantalum, crucibles.
Classification of tantalum crucibles under HS 8103.91
HS Code 8103.91 covers crucibles made of tantalum. Tantalum is a transition metal highly resistant to corrosion and heat, making it ideal for laboratory and industrial melting processes involving aggressive chemicals or high temperatures. This classification is based on the material composition (tantalum) and the specific article type (crucible). Under Chapter 81, which deals with "Other base metals," tantalum articles are categorized by their form and function. Crucibles are specifically called out in this subheading due to their importance in high-temperature metallurgy, crystal growth, and chemical analysis. The classification applies to crucibles of all sizes, provided they are made primarily of tantalum or tantalum alloys where tantalum predominates by weight. These items are distinct from general laboratory glassware or ceramic refractory goods because of the specific properties of the base metal. The durability of tantalum in vacuum and inert atmospheres at temperatures exceeding 2000 degrees Celsius makes these crucibles specialized tools for advanced material science.
- Covers
- Pure tantalum crucibles
- Tantalum alloy crucibles
- High-temperature tantalum melting pots
- Tantalum evaporation crucibles
- Laboratory tantalum vessels for chemical analysis
- Also under 8103.91
- Global Advanced Metals Tantalum Crucibles
- H.C. Starck Tantalum Crucibles
- Ningxia Orient Tantalum Industry Tantalum Crucibles
- Plansee Tantalum Crucibles
Codes often confused with 8103.91
Common mistake. Tantalum crucibles are often misclassified under HS Code 6903, which covers refractory ceramic goods (like graphite or alumina crucibles). However, because these are made of base metal, they must stay in Chapter 81. Another common error is using HS Code 8103.99, which is the residual category for "Other" articles of tantalum. Since 8103.91 specifically names crucibles, it must be used according to the principle of specific description over general description.
Top exporters and importers of HS 810391 (the code used for tantalum crucibles), 2025
In 2025, the largest exporter of HS 810391 (the code used for tantalum crucibles) in UN Comtrade data was Austria, with 33% of world exports; the largest importer in UN Comtrade data was the United States, with 54% of world imports. Bahrain did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 99% of its imports here ($365K, CEPII BACI), so it may also belong among the top importers.
Figures cover everything classified under HS 810391, not only tantalum crucibles.
Top exporters 2025 · share of world exports
- 1 Austria $1.3M 33% of world exports
- 2 United States $1.1M 29% of world exports
- 3 Switzerland $408K 11% of world exports
World total: $3.8M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $2.6M 54% of world imports
- 2 Malaysia $1.1M 22% of world imports
- 3 India $138K 2.9% of world imports
Bahrain did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 99% of its imports here ($365K, CEPII BACI), so it may also belong among the top importers.
World total: $4.8M 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 crucibles
Brazil classifies tantalum crucibles under NCM 8103.91.00: HS 8103.91 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about tantalum crucibles
What is the HS code for Tantalum crucibles?
The HS code for Tantalum crucibles is 810391 (Tantalum; crucibles).
How do I classify Tantalum crucibles for customs?
Tantalum crucibles is classified under HS code 810391 — Tantalum; crucibles. This is a 6-digit subheading level code.
What is the HS code for a tantalum crucible?
The specific HS code for crucibles made of tantalum is 8103.91.
Are all metal crucibles classified under 8103.91?
No, only those made of tantalum. Crucibles made of other metals like platinum are classified under 7115, and those of iron or steel under 7325 or 7326.
Which countries are the top exporters of tantalum crucibles (HS 810391)?
In 2025, the top exporters of HS 810391 (the code used for tantalum crucibles) in UN Comtrade data were Austria ($1.3M, 33% of world exports), the United States ($1.1M) and Switzerland ($408K). World exports came to about $3.8M, 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 crucibles (HS 810391)?
In 2025, the top importers of HS 810391 (the code used for tantalum crucibles) in UN Comtrade data were the United States ($2.6M, 54% of world imports), Malaysia ($1.1M) and India ($138K). World imports came to about $4.8M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Bahrain did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 99% of its imports here ($365K, CEPII BACI), so it may also belong among the top importers.
Is the HS code for Tantalum crucibles the same in all countries?
The base HS code 810391 for Tantalum crucibles 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 crucibles in Brazil?
In Brazil, tantalum crucibles (HS 810391) is classified under NCM 8103.91.00.