Corrosion-Resistant Alloy Steel Pipe for Desalination Plants from Canada
Longitudinally welded duplex alloy steel pipe over 406.4 mm for seawater intake in desalination facilities. HTS 7305.31.60 for large-diameter welded alloy tubes with circular section. UNS S31803 grade for chloride resistance.
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
• PREN value documentation (>35 for duplex) proves alloy status
• Specify 'other, not seamless' clearly