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 already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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