Super Duplex Stainless Welded Sour Gas Line Pipe from China
Welded super duplex (2507 grade) stainless pipe for sour gas pipelines containing H2S, 10-inch diameter. Engineered for extreme corrosion and stress corrosion cracking resistance. Meets 7306.11.00 as welded stainless line pipe for gas pipelines.
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 NACE MR0175/ISO 15156 certification for sour service compliance
• Declare PREN value (>40 for super duplex) to confirm stainless classification