Thin Seamless Steel Exhaust Tubing from Mexico
Seamless nonalloy steel tubes with wall <4 mm for automotive exhaust manifolds and downpipes. Classified under HTS 7304.90.50.00 as thin-walled seamless pipes.
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
• Specify high-temperature tolerance but generic tube form
• Ship uncoated; aluminized coating risks Chapter 73 other articles
• Confirm diameter suits exhaust without vehicle-specific bending