Ferroboron 18% B from Canada
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 — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document boron content precisely to avoid reclassification; inert atmosphere packaging recommended; note no duty relief for pre-entry rust on ferroalloys