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
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
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