Ferroboron 18% B from China
Ferroboron containing 18% boron, employed in steel for hardenability and strength enhancement without qualifying as tool steel. Fits HTS 7202.99.8040 as other ferroalloys per Chapter 72, not matching defined special 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
• Document boron content precisely to avoid reclassification; inert atmosphere packaging recommended; note no duty relief for pre-entry rust on ferroalloys