7304.29.31.30/API 9-5/8" 43 ppf L80 Type 13CR Casing/China

API 9-5/8" 43 ppf L80 Type 13CR Casing from China

Seamless alloy steel oil well casing pipe with 9-5/8 inch outside diameter (244.5 mm), 43 pounds per foot weight, L80 grade Type 13CR for corrosion resistance in sour environments. Features premium threaded couplings and wall thickness of 10.5 mm, ideal for oil and gas drilling. Classified under 7304.29.31.30 due to its seamless construction, alloy steel material, threaded/coupled ends, and specified diameter and thin wall.

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
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Import Tips

• Verify API 5CT certification and exact dimensions for customs classification; include mill test certificates (MTC) showing chemical composition for alloy steel verification

• Common pitfall: misdeclaring wall thickness leading to reclassification

• Ensure couplings meet premium thread specs to avoid parts treatment

API 9-5/8" 43 ppf L80 Type 13CR Casing from China — Import Duty Rate | HTS 7304.29.31.30