6-5/8 inch Q125 Casing Pipe from China
Quench and Tempered Q125 grade seamless casing, 6-5/8 inch OD with 12.7 mm wall or less, premium threaded and coupled for ultra-high pressure HP/HT wells. Used as intermediate casing in deepwater applications. Classified 7304.29.31.10 for seamless alloy steel drilling casing dimensions.
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
• Q125 requires special importer permits due to ultra-high strength properties
• Provide heat treatment records showing quench and temper processing
• Document premium connection specifications for customs verification