X20CrMoWV11.1 Seamless Header Tube from Mexico
Seamless tube of X20CrMoWV11.1 creep-resistant alloy steel for steam headers, 110 mm OD and 12 mm wall. HTS 7304.59.80.20 applies to this other alloy steel seamless tube within size limits. Used in supercritical power boilers.
Duty Rate — Mexico → 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
• Creep-strength alloy requires detailed heat analysis certificate
• Header tube remains 7304 until welded into header assembly
• Distinguish from cast iron (excluded) and verify no cast features