BAHX for Petrochemical Ethylene Cracking Cooler from Canada
Brazed aluminum plate-fin heat exchanger serving as a quench cooler in ethylene cracking plants, rapidly cooling cracked gases to preserve product yields. Falls under HTS 8419.50.10.00 for industrial heat exchange in petrochemical cooling processes.
Duty Rate — Canada → United States
29.2%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 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
• Provide process flow diagrams showing heat exchanger role to distinguish from generic coolers
• Comply with PED or ASME pressure vessel directives; include hydrostatic test reports
• Watch for origin rules; aluminum content may affect preferential tariff eligibility