High-Pressure Alloy Welded Pipe for Power Plant Cooling from Canada
Large diameter longitudinally welded alloy pipe for circulating high-volume cooling water in thermal power plants. Meets HTS 7305.31.60.90 criteria for welded alloy steel tubes over 406.4 mm OD. Alloy enhances fatigue 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
• ASME B31.1 compliance documentation essential for pressure piping
• Wall thickness variation tolerances must be within API specs