AL-6XN Seamless Chemical Reactor Tube from Mexico
Seamless AL-6XN super-austenitic heat-resisting steel tube for jacketed chemical reactors processing at elevated temperatures and pressures. HTS 7304.59.60.00 for its alloy steel composition, seamless manufacture, and circular heat-resistant design.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• UNS N08367 designation must match alloy chemistry certificates exactly
• Hydrostatic test reports at 1.5x design pressure validate pressure tubing intent
• Mixed alloy shipments require lot-by-lot verification to prevent commingling errors