11-3/4 inch Duplex Stainless Casing from China
Seamless duplex 2205 stainless steel oil well casing, 11.75 inch OD, 9.8 mm wall, high strength for deepwater applications. Meets HTS 7304.24.4050 criteria for stainless steel seamless drill casing with OD 285.8-406.4 mm and thin walls.
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
• Specify duplex grade (e.g
• UNS S31803) in documentation for proper stainless steel verification
• Avoid bundling with couplings; separate import of accessories prevents set classification issues
• Confirm pressure ratings match API 5CT to validate drilling end-use classification