60mm OD x 25mm Wall 9Cr-1Mo Alloy Tube from Mexico
Grade 91 (9Cr-1Mo-V) seamless alloy tube, 60mm OD x 25mm wall, for advanced supercritical boilers. HTS 7304.59.80.25 classification applies to its heavy wall thickness and alloy steel seamless construction. Critical for next-generation power plant efficiency.
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
• Grade 91 requires normalization + temper heat treatment certification for customs acceptance
• Distinguish from P91 welding consumables which classify differently
• High value requires detailed cost breakdown to prevent undervaluation claims