Ferroboron from Mexico
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 — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Boron content certification mandatory; small lots prone to misdeclaration; stable humidity control