Blast Furnace Magnesium Desulfurization Shot from Mexico
Small shot-form magnesium mixtures injected into blast furnace hot metal streams for sulfur reduction before BOF charging. High efficiency in large-scale ironmaking. HTS 3824.99.93.86 covers these specialized magnesium reagents.
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
• Provide blast furnace injection system compatibility data in import docs
• Ensure COA shows magnesium percentage suitable for desulfurization reactions
• Differentiate from welding rod magnesium (8311) via steelmaking process description