Zircaloy-4 Fuel Cladding Spacer Grid from Canada
Non-irradiated Zircaloy-4 spacer grid assembly that positions and supports fuel rods within nuclear fuel cartridges, maintaining coolant flow spacing. Classifies under HTS 8401.30.00.00 as parts of non-irradiated fuel elements. Features Inconel springs for rod retention and precise cell tolerances.
Duty Rate — Canada → United States
13.3%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify grid strap thickness (±0.001") and dimple height specs; provide fretting wear test data
• Include fuel assembly design locus documentation
• Common error: classifying as general reactor internals