Ferrosilicon Calcium Alloy from Mexico
Ferrosilicon base alloy with 28-32% calcium content for steel deoxidation and desulfurization. Classified under HTS 7202.29.0050 as 'other' ferrosilicon despite Ca addition, based on primary silicon-iron matrix. Cored wire compatible.
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
• Declare calcium volatility and reaction heat data; ship in nitrogen-purged containers; obtain secondary steelmaking approvals for composition