Cold-Drawn Alloy Steel Superheater Riser Tube from Canada
Cold-drawn seamless riser tube of 2.25Cr-1Mo alloy steel for connecting superheater sections in utility boilers. Provides reliable high-pressure steam flow with oxidation resistance. Classified 7304.51.50.45 for superheaters.
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
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Specify riser tube geometry (length, bends) in commercial invoices accurately
• Include impact testing results for low-temperature ductility
• Avoid generic descriptions; use 'superheater riser' to match tariff language