Niobium Ore Concentrate (Columbite) from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, 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