Industrial Furnace Stacked Transformer Core from Mexico
Heavy-gauge silicon steel stacks designed for high-current furnace transformers in steel mill applications. These cores handle extreme thermal and magnetic stresses. HTS 8504.90.96.38 specifically includes such stacked cores for transformer incorporation.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Thermal class ratings (e.g
• Class H insulation compatibility) validate industrial use
• Declare core weight capacity and Bmax ratings for customs engineering review
• Rust prevention coatings common; document as temporary to maintain parts status