347H Stainless Refining Furnace Tube from Mexico
Niobium-stabilized 347H welded stainless tubes for high-temperature refining furnace convection sections, thick-walled construction. Creep and corrosion resistant. HTS 7306.40.50.15 for refining furnace applications.
Duty Rate — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Certify stabilization elements (Nb+Ta) content for high-temperature grade
• Include furnace zone operating profiles in end-use documentation
• Verify against exclusion process for Section 232 steel tariffs