API 5CT N80 Casing Tubing from China

Seamless steel tubing conforming to API 5CT N80 specifications, used as production tubing in oil and gas wells to convey hydrocarbons from the reservoir to the surface. It falls under HTS 7306.29.81 as 'other' casing and tubing for drilling oil or gas, distinct from casing due to its smaller diameter and use in the production string.

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 Monogram License and mill test certificates (MTC) as mandatory for customs entry and end-user verification

Declare exact grade (e.g

N80) and dimensions on commercial invoice to avoid reclassification to 7306.29.10 for casing