Seamless 310S Stainless Steel Heat Exchanger Tube from Mexico
Cold-drawn seamless tube in 310S stainless steel, external diameter 15 mm, optimized for shell-and-tube heat exchangers in chemical processing plants. High chromium content provides excellent resistance to carburization and thermal fatigue. Meets 7304.41.30.15 criteria: stainless steel, cold-formed, <19 mm OD, designated for heat exchangers.
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
• Obtain supplier declaration of conformity to standards like ASTM A249/A269 for heat exchanger service
• Document pressure and temperature ratings to substantiate 'suitable for heat exchangers' claim