API 5CT Q125 High-Strength Alloy Steel Tubing 10-3/4 Inch from China
Ultra-high strength Q125 grade seamless alloy steel tubing, 10-3/4 inch (273 mm) OD for extended reach drilling in ultra-deep wells. Designed for extreme tensile and pressure loads in challenging formations. Classified in HTS 7304.29.61.60 for other alloy steel seamless tubing used in oil/gas drilling within the 215.9-406.4 mm diameter range.
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
• Verify minimum yield strength documentation meets Q125 specs (125 ksi) for proper grade classification
• Include heat treatment records showing quench and temper process for high-strength alloys