6-5/8 Inch Liner Casing Threaded Hanger from China
6-5/8 inch liner casing with liner hanger threads for tie-back systems in oil wells. Non-alloy steel welded, coupled for hanging production liners. Classified 7306.29.10.90 as threaded drilling casing.
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
• Liner hanger threads differ from standard casing—document specialized use
• Smaller liner diameters prone to tubing misclassification
• Hanger/packer compatibility affects pressure testing requirements