Industrial Furnace Stacked Transformer Core from Japan

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 — Japan → 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

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