Silico-Manganese Spiegeleisen Block from Mexico
Spiegeleisen cast into blocks with elevated silicon and manganese content, serving as a nodulizing agent in cast iron production. Classified under HTS 7201.50.60.00 for its primary form and spiegeleisen composition as defined in Chapter 72. It provides essential alloying elements without further working.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide mill test certificates detailing Si and Mn percentages; avoid reclassification by proving no 'further worked' treatments per Chapter notes
• Use proper NAICS codes for steel foundry use to prevent end-use scrutiny