Alloy Steel Pressure Piping for Oil Refineries 220mm OD 22mm WT from Canada
Seamless circular alloy steel tube with 220 mm OD and 22 mm wall thickness, used in high-pressure process lines for petroleum refineries. Classified under HTS 7304.59.80.55 for its alloy steel composition, seamless form, OD between 190.5-285.8 mm, and thick walls suited for extreme conditions.
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
• Obtain API or ASTM certifications to prove pressure rating compliance and avoid reclassification
• Declare exact dimensions and steel grade; pitfalls include incorrect OD measurement leading to wrong subheading
• For refinery use, note any special coatings but ensure they don't alter tube classification