Ferrocolumbium (Ferro Niobium) from China
Ferrocolumbium (60-70% niobium) for HSLA steels. HTS 7202.99.80 other ferroalloys. Enhances strength without weight.
Duty Rate — China → United States
17.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Niobium equivalence declaration; quota monitoring; inert atmosphere preferred