SMO 254 Seamless Superheater Tube from Mexico
Seamless SMO 254 (6Mo) super austenitic stainless tube for superheaters in biomass boilers, with exceptional chloride pitting resistance. Circular cross-section for radiant and convection zones. Fits 7304.49.0045 for superheater end-use and premium stainless steel grade.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Minimum 6% molybdenum content certification critical for SMO 254 classification
• Specify biomass vs fossil fuel service to guide material selection compliance