13-3/8 inch 54 lb/ft L-80 Type 13Cr Casing from China
Seamless alloy steel oil well casing pipe with 13-3/8 inch OD, 54 lb/ft weight, L-80 grade with 13% chromium content, threaded and coupled ends, and wall thickness of 15.5 mm. Classified under HTS 7304.29.31.60 due to its seamless construction from other alloy steel, OD between 285.8-406.4 mm, and thick walls over 12.7 mm for high-pressure drilling applications. Used primarily in corrosive oil and gas environments.
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 exact dimensions (OD 339.7 mm, wall ≥12.7 mm) match HTS criteria to avoid reclassification
• Provide mill test certificates (MTC) and material composition reports proving 'other alloy steel' status during customs entry