Alloy Steel Welded Pipe for Natural Gas Transmission from China
A longitudinally welded pipe of alloy steel with external diameter exceeding 406.4 mm, engineered for high-pressure natural gas lines. Classified under HTS 7305.31.60 for its other welded, circular cross-section design in large sizes. Essential for long-distance gas pipeline networks.
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 hydrostatic test reports confirming pressure ratings suitable for gas service to support classification
• Label as 'longitudinally welded' on commercial invoice to prevent confusion with spiral-welded pipes in other subheadings