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Heavy Wall Seamless Line Pipe X42 16-inch OD 14mm WT from China

Seamless line pipe grade X42 for natural gas pipelines, with 406 mm OD, 14 mm wall thickness, made of non-alloy steel. Meets HTS 7304.39.0068 criteria: seamless, circular, iron/non-alloy steel, OD 285.8-406.4 mm, wall 12.7-<19 mm. Engineered for high-pressure fluid transport.

Duty Rate — China → United States

75%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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

Include yield strength test results to distinguish from drill pipe or casing alternatives

Ensure no internal/external coatings; coated pipes may classify under 7306 if welded-like

Use precise caliper measurements for OD/wall; customs often re-measures shipments