Ferroboron from China
Ferroboron (17-20% boron) for grain refinement in steel. Classified HTS 7202.99.80 as other ferroalloys. Used in pipeline and automotive steels.
Duty Rate — China → United States
17.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Boron content certification mandatory; small lots prone to misdeclaration; stable humidity control