Ferrocolumbium (Ferro-Niobium) 65% Nb from Japan
Ferrocolumbium alloy with 65% niobium (columbium), essential for micro-alloying high-strength low-alloy steels. HTS 7202.99.8040 designates it as 'Other' ferroalloy consistent with Chapter 72 iron-based additions not elsewhere specified.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify niobium content with certified assays; use anti-rust packaging—no allowances for discoloration per Chapter rules; differentiate from pure niobium under Chapter 81 in declarations