Gallium Arsenide Crystal Grinder Turbine Blades from Germany
Rotating and stationary turbine blades for steam-powered grinders processing gallium arsenide boules to exact diameters for compound semiconductor wafers. Critical for flats indicating resistivity in GaAs devices. HTS 8406.90.40.00 applies to these steam turbine blades in specialized semiconductor equipment.
Duty Rate — Germany → United States
30%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (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
• Certify material handling for corrosive GaAs with turbine blade alloy specs to support import
• Document end-use in III-V semiconductor fab to align with statistical notes