Seamless Steel Chimney Flue Pipe from China
Extra-large seamless carbon steel flue pipes for industrial chimneys, OD >406.4 mm, wall <19 mm. Under 7304.39.0076 as seamless non-alloy steel tubes. Seamless construction prevents exhaust leaks in high-temperature stacks.
Duty Rate — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• High-temperature service requires specific alloy verification despite non-alloy heading
• Expansion joint provisions affect customs valuation
• Fire safety certifications may trigger additional inspections