Nonalloy Large Diameter Penstock Pipe from Japan
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 — Japan → United States
10%
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
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