Refinery Furnace Tube 260mm OD SA-210 Grade A1 from China
Seamless medium-carbon steel tube, 260 mm OD, ASME SA-210 Gr A1 for convection sections in refining furnaces. Handles radiant heat up to 600°C in petrochemical crackers. HTS 7304.39.0006 due to seamless circular non-alloy steel design for refining furnaces, fitting OD specs.
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
• Include furnace zone design pressure/temperature ratings in entry docs
• Ensure chemical composition certs show non-alloy status (<1.65% Cr, etc.)
• Import in standard lengths (6-12m) to avoid parts classification under 7304.90