Heavy Wall Seamless Steel Casing Pipe 18-inch OD 22mm Wall from China
Seamless nonalloy steel casing pipe for oil well drilling, 18-inch (457.2 mm) OD with 22 mm wall thickness, meeting API 5CT standards. Fits HTS 7304.39.0080 as a large-diameter, thick-walled seamless circular pipe of iron or nonalloy steel. Used to line boreholes and support well integrity.
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
• Include API 5CT monogram or equivalent certification; unmonogrammed pipe risks rejection
• Document exact wall thickness via ultrasonic testing reports to prevent reclassification
• Comply with Buy America provisions if for US shale projects, affecting duty drawback eligibility