Amorphous Metal Laminations for Energy-Efficient Transformer Cores from China
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 — China → United States
35%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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