9-5/8 Inch K55 Coupled Drill Casing from China

9-5/8 inch outer diameter seamless K55 nonalloy steel casing with integral couplings for oil well applications. Provides structural support in drilling for hydrocarbons. Fits 7304.29.10 due to its threaded/coupled design and nonalloy steel composition for drilling casing.

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

Provide detailed dimensional specs (OD, wall thickness) and confirm seamless via ultrasonic testing reports during customs clearance

Label shipments clearly as 'oilfield casing' to prevent confusion with line pipe; include drilling end-use statement