Duplex 2205 Seamless Refining Furnace Tube from China
Seamless Duplex 2205 (S31803) stainless steel tube for process furnace tubes in oil refineries, offering superior SCC resistance in sulfur-rich environments. Circular cross-section for cracking and reforming furnace coils. Included in 7304.49.0045 for refining furnace use and high stainless alloy content.
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
• Pitting Resistance Equivalent Number (PREN >35) documentation proves duplex stainless suitability
• Furnace coil bending radius specs required to confirm refining furnace application