Monocrystalline Silicon Flat Grinding Roll from Germany
Specialized cast steel roll for grinding orientation flats on silicon boules to denote resistivity and type. Falls under HTS 8455.30.0035 as ≤2,268 kg cast steel rolling mill rolls for semiconductor boule prep. Ensures accurate conductivity indication for wafer fabrication.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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
• Include flat angle tolerance specs (e.g
• ±0.5°) in technical data sheets
• Comply with semiconductor cleanroom standards; provide particle emission tests