High-Temperature Turbine Stator Blades from Mexico
Stationary stator blades made from nickel superalloys for directing vapor flow in turbines driving semiconductor boule pullers, enduring >1600°C per statistical note (a)(i). Classified HTS 8406.90.70.00 as stationary blades critical for efficient energy transfer in crystal growth. Coatings prevent material contamination of semiconductor crystals.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide alloy composition (Inconel 718) and contamination specs (<1ppb impurities) documentation
• Thermal cycle test reports mandatory for duty preference claims