Large Diameter Alloy Steel Penstock Pipe from Canada
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 — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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