Seamless Pressure Piping for Refineries from Mexico
Heavy-duty seamless pipe for refinery process piping, 184.2 mm OD with 32 mm wall thickness from nonalloy steel. Engineered for corrosive hydrocarbon service at elevated temperatures. HTS 7304.39.0044 for seamless nonalloy steel circular tubes in specified OD/wall dimensions.
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
9903.03.060%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; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• NACE MR0175 sour service certification often required; affects material classification proof
• Distinguish refinery pipe from OCTG via service affidavits to avoid higher OCTG duties
• Thickness verification critical; exceeds 19 mm threshold ensures correct statistical break