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Samarium Cobalt Ring Magnets from Japan

SmCo5 ring-shaped permanent magnets constructed from samarium-cobalt metal alloy, known for high-temperature resistance up to 350°C. Intended for aerospace and military applications, often magnetized post-import. Fits HTS 8505.11.00 due to metal composition and permanent magnet designation.

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

• Provide heat treatment specs and Curie temperature data to confirm high-temp suitability under metal magnet classification

• ITAR/EAR export control checks required for defense applications; declare cobalt content accurately

• Avoid bulk packaging that resembles scrap, which could shift to 8549.11 spent battery materials