Nonalloy Large Diameter Penstock Pipe from China
Welded nonalloy steel pipe OD >406.4 mm for low-pressure penstocks in small hydro plants. 7305.39.1000 covers these other welded circular steel tubes. Below pressure ratings for boiler tubes.
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
• ASME Section VIII compliance docs required for any pressure containment claims
• Stiffener ring attachments may trigger parts classification review
• Country of smelt/melt origin critical for Buy America compliance