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API 5CT L80 Alloy Steel Oilfield Tubing from China

Seamless tubing made from L80 grade alloy steel, designed for oil and gas downhole applications with an outside diameter not exceeding 114.3 mm and wall thickness over 9.5 mm. Classified under HTS 7304.29.61.30 due to its seamless construction, alloy steel composition, and specifications matching casing/tubing for drilling. Used to line wellbores and transport hydrocarbons.

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

Obtain API 5CT certification and mill test reports (MTRs) to verify seamless alloy steel specs; ensure markings for OD/wall thickness comply with customs scrutiny

Common pitfall: misdeclaring welded pipe as seamless—request ultrasonic testing proof