9-5/8 inch 53.5# Q-125 Duplex Stainless Casing from China
Duplex stainless steel (e.g., 2205 grade) seamless casing pipe, 9-5/8 inch OD (244.5 mm), 53.5 lb/ft, 14.1 mm wall thickness, premium Q-125 grade with EUE threading for sour gas service. Meets 7304.24.30.40 criteria: stainless, seamless, drilling casing, proper OD range, thick wall construction.
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
• Require NACE MR0175/ISO 15156 certification for sour service; measure actual wall thickness at multiple points; ensure duplex stainless PMI testing documentation