9-5/8 inch Stainless Steel Oil Well Casing from China
Seamless stainless steel casing pipe with 9.625 inch outside diameter and wall thickness of 10 mm, designed for oil and gas drilling to line and stabilize wellbores. Classified under HTS 7304.24.4050 due to its seamless construction, stainless steel material, casing use in drilling, OD between 285.8-406.4 mm, and wall thickness under 12.7 mm.
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
• Verify seamless construction via mill test certificates; welded pipes classify under 7304.41+
• Confirm API 5CT certification for oilfield casing to meet industry standards and avoid reclassification
• Document outside diameter precisely (11.25-16 inches) and wall thickness to ensure subheading compliance