20 inch 94 ppf Super Duplex Stainless Oil Well Tubing from China
Super duplex stainless steel seamless tubing (20 inch OD) for intermediate casing in harsh subsea oil environments. API 5CT compliant for high collapse resistance in drilling operations. Large OD >406.4 mm places it in HTS 7304.24.60.75 for stainless oilfield tubing.
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
• Super duplex requires PREN >40 certification; include in MTRs for Customs verification
• Markings like API monogram, grade, OD must be clearly visible per API Spec 5CT