4-1/2 Inch Production Tubing Casing Alternative from Japan
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 — Japan → United States
10%
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
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