Samarium Cobalt Ring Magnets from China

SmCo ring-shaped permanent magnet precursors with high temperature resistance up to 350°C, intended for aerospace and military applications after magnetization. Falls under 8505.90.75.01 as 'other' articles for permanent magnets.

Duty Rate — China → United States

36.3%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]

Import Tips

Submit coercivity and remanence specs proving suitability for permanent magnetization

Comply with ITAR/EAR export controls documentation for defense-related magnet imports

Declare exact SmCo composition to avoid reclassification as generic metal articles