Refining Furnace Seamless Steel Tube from Canada
Extra-large OD (>285.8 mm) seamless non-alloy steel tube for refining furnace applications, ensuring durability under extreme heat. Classified in 7304.39.0008 for seamless iron/non-alloy steel construction, circular profile, and explicit refining furnace suitability.
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
• Reference ASTM A335 or equivalent for furnace-grade specs in entry docs
• Avoid classifying as drill pipe (7304.22) by proving thermal not drilling end-use
• Galvanized versions may require separate declaration under coating provisions