Czochralski Crystal Puller Rotating Blades from Germany
These rotating blades are integral components in Czochralski method crystal pullers used to produce monocrystalline silicon boules for semiconductor wafers. They facilitate the precise rotation and dipping of the seed crystal into molten silicon, ensuring uniform crystal growth. Classified under HTS 8406.90.40.00 as rotating blades specifically for steam turbines in semiconductor crystal growing equipment.
Duty Rate — Germany → United States
30%
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
• Verify blades are designed for steam turbine-driven crystal pullers with manufacturer specs to confirm 8406 classification
• Include detailed engineering drawings and end-use statements proving semiconductor manufacturing application to avoid misclassification