Industrial Superheater Coil Assembly from Mexico
Tubular coil assembly that superheats steam beyond saturation temperature in boiler systems, falling under HTS 8404.10.0050 as other auxiliary plant for use with boilers. It improves steam quality for turbine efficiency in power generation.
Duty Rate — Mexico → United States
13.5%
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 pressure-temperature ratings and alloy composition to confirm auxiliary status and avoid parts classification
• Ensure labeling distinguishes from complete superheater units to prevent reclassification
• Watch for anti-dumping duties on certain steel tube imports used in superheaters