Large Diameter Welded Steel Ventilation Duct Pipe from Japan
Welded nonalloy steel pipe with OD exceeding 406.4 mm, used for industrial HVAC exhaust systems. Covered by 7305.39.1000 as other welded circular tubes not for boilers or pressure vessels. Plain ends suitable for flanged connections.
Duty Rate — Japan → 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
• Ensure no internal spiral ribs that might classify as flexible tubing under different provisions
• Document wall thickness to confirm not thin-walled for structural vs pressure applications
• Label clearly as 'other tubes' to prevent confusion with Chapter 84 ducting assemblies