3-1/2 Inch P110 Stainless Steel Threaded Casing from China
High-pressure P110 grade seamless stainless steel casing, 3-1/2 inch OD (88.9 mm), wall thickness 7.72 mm, with premium EUE (External Upset End) threaded couplings. Applied in deep oil/gas wells for structural support. Meets HTS 7304.24.30.10 criteria: stainless, seamless, casing use, small OD, 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
Import Tips
• Submit detailed dimensional drawings and thread profile certifications for customs verification
• Maintain traceability documentation from steel mill to finished pipe for quality assurance claims