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GOODS ACROSS BORDERS

HS CHAPTER 81

Other base metals; cermets; articles thereof

CHAPTER

81

Other base metals; cermets; articles thereof

Common items in this chapter

  • Tungsten (8101)
  • Molybdenum (8102)
  • Tantalum (8103)
  • Magnesium (8104)
  • Cobalt (8105)
  • Bismuth (8106)
  • Cadmium (8107)
  • Titanium (8108)
  • Zirconium (8109)

Headings in this chapter (12)

Official HS 2022 four-digit headings. Each heading page lists its 6-digit subheadings with the official nomenclature texts.

Classification notes

Chapter 81 includes conflict minerals (3T — tungsten, tantalum, tin) under Dodd-Frank Section 1502 due-diligence; tantalum-bearing devices need supply-chain documentation.

Frequent misclassification

Cobalt powder (8105) vs. cobalt salts (Chapter 28 inorganic chemistry).

Binding tariff ruling database

If you need certainty on classification, request a binding tariff ruling from your destination country's customs authority. The link below leads to the relevant ruling database.

Binding tariff ruling database
RULES5,339COUNTRIES85ITEMS111CARRIERS28GUIDES46UNIQUE SOURCES645LATEST VERIFICATION2026-07-26MethodologyChangelog