Cold-Drawn Boiler Economizer Tube P91 Alloy from Mexico
Cold-drawn seamless P91 (Grade 91) alloy steel tube for boiler economizers, enhancing fuel efficiency through preheating. Known for creep strength in 9Cr-1Mo-V composition. Under 7304.51.50.45 for boiler applications.
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
• Require Q&T (quench & temper) certification specific to P91 processing requirements
• Monitor for special processing rules on high-chrome alloys at customs