Stainless Steel Impeller Hub for Vacuum Pump Compressor from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
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