Ferrosilicon Zirconium Inoculant from Mexico
Ferrosilicon-based inoculant alloy containing zirconium additions (typically 2-5%) for gray iron casting microstructure control. Classified under HTS 7202.29.0050 as 'other' ferrosilicon since base is ferrosilicon with minor alloying elements. Used in small quantities per melt.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document zirconium content precisely to distinguish from standard ferrosilicon; use tamper-evident packaging for trace element consistency; comply with foundry alloy traceability requirements