Heavy Wall Alloy Steel Welded Pipe for Pressure Vessels from China
Longitudinally welded alloy steel pipe with OD >406.4 mm and thick walls for fabrication into pressure vessel shells. HTS 7305.31.60 due to welded circular cross-section in large sizes of alloy steel. Used in petrochemical reactor construction.
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 ASME Section VIII compliance docs; pressure vessel end-use doesn't change HTS but aids verification
• Measure and certify alloy elements (e.g
• chromium >1.25%) to distinguish from carbon steel