High Temperature SmCo17 Disc Magnets from China
SmCo17 grade disc magnets rated to 350°C continuous operation, metal rare earth alloy for downhole oilfield tools and automotive alternators. Exceptional demagnetization resistance. HTS 8505.11.0070 classification for metal permanent magnets.
Duty Rate — China → United States
39.6%
Rate breakdown
9903.91.0625%Effective with respect to entries on or after January 1, 2026, articles the product of China, as provided for in subdivision (g) of U.S. note 31 to this subchapter
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Temperature rating certification mandatory for duty preference claims
• Oilfield end-use may trigger BIS export controls even on imports
• Batch coercivity testing prevents down-grading to lower SmCo grades