Carbon Steel Line Pipe for Sour Gas Service 18-inch OD from China
Nonalloy carbon steel pipe engineered for sour gas pipelines (H2S-resistant), 18-inch (457 mm) OD exceeding 114.3 mm. Falls under HTS 7306.19.1050 as line pipe of iron/nonalloy steel for gas pipelines, with electric resistance welded seams. Used in midstream energy infrastructure.
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 certification for sour service to validate classification and safety
• Mark pipes with heat numbers for traceability during customs inspection