Alloy Steel Sour Service Line Pipe from China
Specialized welded alloy steel line pipe resistant to hydrogen sulfide cracking in sour oil/gas environments, typically PSL2 grade. It features precise alloy control for HIC resistance. HTS 7306.19.51 covers such other alloy steel pipes for oil or 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
• Submit HIC test reports per API 5L Annex H to validate sour service claims and tariff accuracy
• Label with PSL grade and heat numbers for traceability during customs inspection