Large Diameter Alloy Steel Penstock Pipe from Mexico
Welded alloy steel pipe exceeding 406.4 mm OD, used in hydroelectric penstocks to convey water to turbines. Fits HTS 7305.39.50.00 as 'other welded tubes/pipes' of alloy steel with circular cross-section and large external diameter.
Duty Rate — Mexico → 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
• Submit material certs showing alloy elements (e.g
• chromium >1.5%) to avoid carbon steel classification
• Document corrosion resistance specs for utility-scale applications