13-3/8 inch 72# P110 Threaded Casing from China
Seamless alloy steel oil well casing with 13-3/8 inch outer diameter, 72 lb/ft weight, and P110 grade, featuring API threaded couplings for secure connections in drilling operations. Classified under HTS 7304.29.31 due to its seamless construction from other alloy steel, specific design for oil/gas drilling, and threaded or coupled ends. This heavy-duty pipe withstands high-pressure environments in deep wells.
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 alloy composition for 'other alloy steel' classification; provide mill test certificates (MTC) to customs
• Common pitfall: misdeclaring as carbon steel shifts to different subheading
• Inspect threads for damage to avoid rejection