Ferrosilicon 92% for Ductile Iron from Mexico
92% silicon ferrosilicon used as a base for inoculants in ductile iron production, promoting spheroidal graphite formation. HTS 7202.21.90.00 captures this ferroalloy due to silicon >90% specification. Essential for enhancing iron ductility and machinability.
Duty Rate — Mexico → United States
15.8%
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
• Specify as inoculant base (not final mix) for proper heading
• Biuret test equivalents for silicon uniformity
• Temperature-controlled storage advisories