Control Rod Drive Mechanism Housing from Mexico
Pressure-tight housing containing the mechanisms that insert and withdraw control rods to regulate nuclear fission rates in reactors. It is a part of nuclear reactors under HTS 8401.40.00.00 due to its role in reactivity control and integration with the reactor vessel head.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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
• Include seismic and dynamic load test reports per nuclear standards like RCC-M or KTA
• Verify compatibility with specific reactor models (PWR/BWR) in import declarations