7-inch J-55 Threaded Casing Tube from China
Seamless J-55 grade casing with 7-inch (177.8 mm) OD, 15.9 mm wall thickness, threaded ends and couplings, constructed from nonalloy steel for oil well casing strings. Classified under HTS 7304.29.10.20 for its seamless iron/nonalloy steel build, drilling-specific use, OD under 215.9 mm, and robust wall thickness ≥12.7 mm. Ideal for intermediate casing in drilling operations.
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 detailed dimensional certificates confirming OD <215.9 mm and wall ≥12.7 mm
• Label as 'casing for oil/gas drilling' to prevent misclassification as tubing
• Watch for: couplings not meeting API standards causing duty disputes