Monocrystalline Silicon Bearing Race from Germany
Non-magnetic silicon inner race for ball bearings in MRI-grade semiconductor handlers. Matches thermal expansion of silicon wafers for zero-stress mounting. Still HTS 8482.99.05.00 as semiconductor-processed ring for ball bearings.
Duty Rate — Germany → United States
34.9%
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
• Provide resistivity and crystal orientation specs (100-plane) linking to wafer handling
• Classify as fabricated silicon article shaped for bearings, not raw material
• Declare CTE matching (2.6 ppm/°C) as key design feature