Alloy Steel Large Diameter Welded Pipe for Water Transmission from China
A longitudinally welded alloy steel pipe exceeding 406.4 mm external diameter, designed for municipal water supply and transmission mains. Classified under HTS 7305.31.60.90 due to its welded construction, circular cross-section, and alloy steel material not specified elsewhere. Corrosion-resistant properties suit long-term buried infrastructure use.
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 showing pressure ratings above 150 psi for infrastructure compliance
• Label clearly as 'longitudinally welded' to distinguish from spiral welded pipes under different subheadings