Superheater Seamless Alloy Tube 13.5-inch OD from Canada
High-temperature seamless tube of Grade T91 alloy steel, 342 mm OD and 7 mm wall thickness, for superheater sections in fossil fuel boilers. HTS 7304.59.80.60 applies to its seamless alloy steel construction, mid-range OD, and thin walls optimizing heat transfer. Meets rigorous creep strength requirements.
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
• Certify normalized-and-tempered condition per ASME specs for proper alloy tube status
• Document wall uniformity via ultrasonic testing reports for customs inspection