API 5CT N80 Oilfield Tubing from China

Seamless tubing made from nonalloy steel, grade N80, designed specifically for oil and gas well casing and production applications. It meets API 5CT specifications for use in drilling operations to line boreholes and support well integrity. Classified under 7304.29.50 as seamless tubing of nonalloy steel for oil or gas drilling.

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

Verify API 5CT certification and material test reports (MTRs) to confirm nonalloy steel composition and seamless construction

Ensure end-user declaration specifies oil/gas drilling use to avoid reclassification as general pipe