Ferrophosphorus Alloy (Elemental Phosphorus Content) from Mexico
Ferrophosphorus is an alloy containing 18-28% elemental phosphorus with iron, used as a deoxidizer in steel production. Primarily classified under HTS 2804.70.00.00 when imported emphasizing phosphorus content, though metal alloy aspects may influence.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit assay reports showing phosphorus as principal characteristic for Chapter 28 classification
• Avoid classification disputes by specifying nonmetal phosphorus dominance over iron
• Handle dust generation with HEPA filtration to prevent inhalation hazards