Bulk Ferrocerium Alloy Ingots from China

Primary ingots of ferrocerium (mischmetal-cerium-iron alloy) for manufacturing lighter flints. HTS 3606.90.80.00 covers pyrophoric alloys in all forms including ingots. Typically 70% cerium content.

Duty Rate — China → United States

22.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

Import Tips

Provide alloy certificates showing pyrophoric spark test compliance

Use nitrogen-purged containers to prevent oxidation during ocean transit

Distinguish from rare earth metals (2805.30) via spark generation demonstration