AL-6XN Seamless Chemical Reactor Tube from China
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 — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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