Super Duplex SAF 2507 Tubing for Sour Gas Wells from China
Seamless super duplex stainless steel tubing (SAF 2507) for high-pressure sour gas well applications, OD 88.9 mm, wall 8.0 mm. HTS 7304.24.60.15 applies to its seamless stainless steel construction designed as drill tubing for oil/gas extraction.
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
• Include PREN (Pitting Resistance Equivalent Number) calculations proving >40 for duplex stainless
• Provide hydrotest and flattening test reports per API 5CT standards
• Declare exact alloy grade (S32750) to distinguish from standard stainless for proper duty assessment