Steelmaking Calcium Silicon Lumps 10-50mm from Mexico
Standard 10-50mm lumps of calcium silicon ferroalloy for direct addition to steel ladles. Essential for sulfur removal in stainless and specialty steel production, properly classified under HTS 7202.99.20.00.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Size grading certificates prevent disputes over fines content
• UN1405 dangerous goods declaration mandatory
• Verify no surface treatment qualifying as 'further worked'