Amorphous Metal Laminations for Energy-Efficient Transformer Cores from Mexico
Thin amorphous metal alloy ribbons cut into laminations for stacking into high-efficiency distribution transformer cores. These offer lower core losses than traditional silicon steel. Specifically covered by HTS 8504.90.96.34 for transformer stacked core laminations.
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
• Provide material safety data sheets confirming amorphous metal alloy composition (Fe-Si-B)
• Include efficiency certification or DOE compliance docs for energy-efficient transformer applications
• Ensure packaging prevents ribbon edge damage during transit, affecting core performance