High-Chrome Alloy Steel Balls for Wafer Grinding Machines from Canada
High-chromium alloy steel balls employed in the spindle bearings of wafer grinders that shape semiconductor crystal boules to exact diameters. These provide corrosion resistance and durability during continuous precision grinding operations. Falls under HTS 8482.91.0010 as alloy steel bearing balls.
Duty Rate — Canada → United States
14.4%
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
Import Tips
• Provide grinding equipment OEM specifications confirming ball dimensions and load ratings for customs validation
• Label packages with 'For Semiconductor Wafer Processing Equipment Only' to support correct Chapter 84 classification
• Watch for anti-dumping duties on Chinese-origin high-chrome steel balls; source certificates of origin early