Fuel Element End Plug Assembly from Mexico
Welded end cap assembly made of zirconium alloy for sealing non-irradiated nuclear fuel cartridges, preventing gas release and maintaining structural integrity. Classified under HTS 8401.30.00.00 as parts of fuel elements for nuclear reactors. Features precise tolerances for helium fill ports and spring attachment.
Duty Rate — Mexico → United States
13.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide ultrasonic weld inspection reports and helium leak test data (<10^-7 cc/sec); certify to ASME Section III, Division 1
• Avoid common pitfall of missing nuclear end-use statement on commercial invoice