Heavy Wall Welded Refinery Furnace Tube from China
Welded nonalloy steel tube, circular cross-section with wall ≥1.65 mm, for process furnace tubes in oil refineries handling high-temperature petrochemical reactions. Resists thermal stress in cracking furnaces. HTS 7306.30.5010 due to refinery furnace suitability.
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
• Supply API or ASME specs confirming refinery furnace application and high-temp ratings
• Confirm nonalloy composition; alloy tubes shift to 7306.40.50.10
• Watch for reclassification if imported in sets with fittings (potential 7307 or 7326)