Heat Exchanger Tube 200mm OD ASTM A179 from Canada
Cold-drawn seamless carbon steel tube, 200 mm OD per ASTM A179, optimized for condenser and heat exchanger shells in refining processes. Provides excellent heat transfer and corrosion resistance in water-steam cycles. HTS 7304.39.0006 applies due to seamless non-alloy steel, circular profile, and suitability for heat exchangers within 190.5-285.8 mm OD.
Duty Rate — Canada → United States
10%
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
Import Tips
• Submit heat transfer coefficient data or design specs confirming exchanger suitability
• Use NACE MR0175 certification if for sour service in refineries to aid customs review
• Document straight lengths only; coiled tubes may classify under 7304.90