Alloy Steel Large Diameter Welded Pipe from China
A welded pipe made from alloy steel with a circular cross-section and external diameter exceeding 406.4 mm, used primarily for oil and gas transmission pipelines. It falls under HTS 7305.90.50.00 as it is an other tube or pipe of alloy steel, not further worked, meeting the size criteria for large-diameter applications.
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
• Verify alloy steel composition via mill test certificates to confirm classification under 7305.90.50.00 and avoid misclassification as carbon steel
• Measure external diameter precisely and document it exceeds 406.4 mm; provide engineering drawings if challenged by customs
• Ensure proper marking of country of origin and steel grade to comply with Buy America or similar regulations for infrastructure projects