Chapter 81
Chapter 81 covers base metals not elsewhere classified: tungsten, molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, chromium, germanium, and cermets. These are specialty metals for high-tech, aeronautical, and defense industries.
0–5%
Actual rates depend on the specific tariff heading, country of origin, and applicable trade agreements (USMCA, EU-Mexico FTA, CPTPP, etc.).
Most specialty metals pay 0% as strategic raw materials. Titanium is key for aerospace. Cobalt is essential for lithium batteries. Molybdenum is produced in Mexico as a byproduct of copper mining.