Non-Alloy Seamless Boiler Tube 9-inch OD 22mm Wall from Canada
Seamless tube of iron or non-alloy steel, 228.6 mm OD with 22 mm wall thickness, for high-temperature boiler applications in power plants. HTS 7304.39.0056 applies to its circular cross-section, seamless manufacture, and dimension specs fitting the heavy-duty tube category. Withstands steam pressures in industrial heating systems.
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 SA-106 certification required for boiler code compliance; measure wall thickness precisely post-manufacture
• Avoid pitfall of declaring as 'alloy' if carbon steel only
• Submit heat treatment records