Stainless Steel Impeller Hub for Vacuum Pump Compressor from Japan
A precision-machined stainless steel hub that mounts and balances the impeller in vacuum pump compressors for crystal grower systems in semiconductor production. Classified under HTS 8414.90.41.80 as a compressor part critical for maintaining rotational integrity under vacuum conditions.
Duty Rate — Japan → United States
25%
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 material certificates confirming stainless steel composition to meet anti-dumping scrutiny
• Declare compatibility with specific models of Czochralski crystal pullers to support classification
• Avoid misdeclaration as pump housing, which could shift to 8414.90.20; specify 'hub' function