Niobium Ore Concentrate (Columbite) from Japan
Columbite-tantalite ore concentrate rich in niobium (columbium), classified under HTS 2617.90.0060 as other non-ferrous ores. Essential for superalloys in aerospace and steel.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Separate niobium from tantalum content in assays; tantalum may require ITAR export controls on re-export
• Provide conflict mineral declarations (Dodd-Frank) for DRC-origin ores
• Ensure particle size specs don't mimic 'coarse' iron ore notes