6-5/8 inch Q125 Casing Pipe from Canada
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 — Canada → 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
• 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