4 Inch C-90 Threaded Drill Casing from China

Seamless C-90 nonalloy casing with 8-round threading, 4-inch OD, 9 mm wall thickness, used in directional drilling for oil recovery. HTS 7304.29.10.10 applies to this threaded, small-diameter, thin-wall seamless steel casing for oil/gas applications.

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

Use NDT (non-destructive testing) reports to validate seamless integrity during import inspection

Coordinate with freight forwarders experienced in oversized oilfield cargo handling