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
75%
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
9903.91.0125%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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Pitting Resistance Equivalent Number (PREN >35) documentation proves duplex stainless suitability
• Furnace coil bending radius specs required to confirm refining furnace application