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API 5L Grade B Seamless Steel Pipe 12-inch OD from Mexico

A seamless steel tube of circular cross section made from nonalloy steel, with an outside diameter of 323.9 mm and wall thickness of 10 mm, suitable for oil and gas pipelines. It falls under HTS 7304.39.0062 due to its seamless construction, nonalloy steel material, circular profile exceeding 285.8 mm but not over 406.4 mm OD, and wall thickness under 12.7 mm. Commonly used in midstream energy infrastructure for transporting hydrocarbons.

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

Verify seamless certification via mill test reports (MTRs) to confirm classification under 7304, avoiding misclassification as welded pipes in 7306

Ensure API 5L compliance documentation for oil/gas end-use; provide hydrostatic test results to customs for duty-free claims if applicable

Watch for wall thickness measurement disputes—use precise caliper readings under 12.7 mm to prevent reclassification to thicker subheadings