4-1/2 Inch Liner Casing from China
Slotted or blank 4-1/2 inch liner casing hanger extensions for tie-back in extended reach oil wells, non-alloy steel welded construction. Under HTS 7306.29.2000 as drilling casing 'other', extends production intervals without full recementing. Hanger-compatible threading.
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
• Distinguish liners from tubing via overlap design docs to maintain casing heading
• Pre-inspect for ID/OD gauge compliance to speed customs release