Large Diameter Seamless Steel Casing Pipe X52 from China
Seamless steel casing for oil well drilling, non-alloy steel, circular cross-section exceeding 16 inches OD with wall thickness less than 19 mm. Classified under 7304.39.0076 for seamless tubes/pipes of iron/non-alloy steel not for boring. Used to line boreholes and protect against collapse in petroleum extraction.
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 IBR (Institute of Boiler and Radiation) or equivalent certifications for pressure-containing applications
• Ensure accurate measurement of wall thickness and OD to prevent misclassification into thicker wall categories
• Label with exact grade (X52) and heat numbers for traceability during customs inspection