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API 5CT L80 Type 9Cr Seamless Oilfield Tubing from China

Seamless tubing made from 9% chromium alloy steel, conforming to API 5CT L80 specifications for oil and gas drilling applications. It features an outside diameter not exceeding 114.3 mm and wall thickness ≤9.5 mm, designed for casing and production in corrosive environments. Classified under 7304.29.61.15 as seamless alloy steel tubing used in oil/gas drilling.

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 mill test certificates (MTC) to prove seamless construction and alloy composition

Ensure outside diameter ≤114.3 mm and wall thickness ≤9.5 mm measurements are documented to avoid reclassification