Transformer Grade Grain-Oriented Silicon Steel 0.27mm x 450mm from Mexico
High-permeability grain-oriented silicon electrical steel, 0.27mm thickness and 450mm width, optimized for power transformer cores. Falls under HTS 7226.11.10.00 due to alloy steel composition, silicon electrical steel properties, and grain orientation with width ≥300mm but <600mm.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Certify grain orientation via ASTM standards; ensure no further working like coating to stay in base heading; watch for high-strength steel misclassification if yield strength exceeds note (a) thresholds