Czochralski Crystal Puller Furnace from Germany
A high-temperature furnace used in the Czochralski method to grow monocrystalline silicon boules for semiconductor wafers. It is a part of crystal grower and puller machinery classified under heading 8429 as specialized ship unloading equipment adapted for semiconductor processing. Falls under 8431.49.90 as other parts for heading 8430 machinery.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.82.2215%Derivative steel articles the product of Argentina, Ecuador, El Salvador, Guatemala, Japan, the Republic of Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom, or a member nation of the European Union, as provided for in subdivision (c)(xi) 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
• Verify equipment is solely for semiconductor crystal growth to qualify under statistical notes; provide manufacturer specs and end-use certification
• Common pitfall: misclassification as general lab furnaces under 8514
• Watch for dual-use restrictions