API 5CT L80 Type 9 Alloy Steel Oilfield Tubing from China
Seamless alloy steel tubing manufactured to API 5CT L80 Type 9 specifications for use as production tubing in oil and gas wells. It features an outside diameter of 4.5 inches (114.3 mm), designed for high-pressure downhole environments with enhanced collapse resistance. Classified under HTS 7304.29.61.45 due to its seamless construction, alloy steel composition, and OD range exceeding 114.3 mm but less than 215.9 mm.
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 API 5CT certification and material test reports (MTRs) meet ASTM A335 or equivalent standards for alloy steel composition
• Include mill certificates confirming seamless manufacturing process and exact OD measurements to avoid misclassification