508mm OD Welded Steel Gas Transmission Pipe from China
Precisely 508 mm external diameter longitudinally welded nonalloy steel pipe for natural gas transmission mains. Features beveled ends for field welding. Classifies under HTS 7305.12.1030 for its pipeline-specific design and dimensions.
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
• Provide dimensional certificates confirming OD between 406.4-609.6 mm to match statistical break
• Anti-corrosion coating thickness must be documented separately from base pipe duties