API 5CT L80 Type 9 Alloy Steel Oilfield Tubing from China
Seamless alloy steel tubing designed for oil and gas well casing and production, with outside diameter between 215.9 mm and 406.4 mm, meeting API 5CT L80 Type 9 specifications for sour service environments. Classified under HTS 7304.29.61.60 due to its seamless construction from other alloy steel and specific diameter range for drilling applications. Used to line wellbores and protect production zones in challenging drilling conditions.
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
• Obtain API 5CT Monogram License and provide mill test certificates (MTC) verifying chemical composition and mechanical properties
• Declare exact outside diameter measurement and alloy steel grade to avoid misclassification into smaller diameter categories