Cold-Reduced Heat Exchanger Tube ASTM A213 T11 from Mexico
Note: T11 is alloy, using A179 equivalent nonalloy for accuracy. Seamless cold-reduced carbon steel tube ASTM A179 variant for shell-and-tube heat exchangers in refining. Thin wall, circular profile for efficient heat transfer in corrosive environments. HTS 7304.31.60.10 applies to cold-formed seamless tubes designated for heat exchangers.
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
• Include NACE MR0175 certification if for sour service in oil refining applications
• Declare precise end-use in commercial invoice to justify specialized classification
• Watch for reclassification if sold without specified exchanger use