4-1/2 Inch Production Tubing Casing Alternative from China
4-1/2 inch J55 threaded casing used as liner in slimhole oil wells, coupled with EUE threads. Non-alloy steel welded pipe serving dual casing/tubing role in drilling. HTS 7306.29.10.90 for threaded oil/gas casing of iron/nonalloy steel.
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
• Clearly label as 'casing' vs 'tubing' on packing list to prevent 7306.30 reclassification
• Small diameter requires precise OD/ID measurement documentation
• EUE threads need connection test data for customs verification