Seamless Alloy Steel Heat Exchanger Tube from Canada
Thick-walled seamless alloy tubes, 181 mm OD and 23 mm wall, for shell-and-tube heat exchangers in refineries. Classified 7304.59.80.40: seamless, alloy, circular, correct OD range, wall ≥19 mm.
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
• Specify U-bend capability if applicable; straight lengths stay tube classification
• Test for intergranular corrosion resistance typical of heat exchanger service
• Document NACE MR0175 compliance for sour service applications