Niobium Ore Concentrate (Columbite) from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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