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%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
• 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