Heavy Wall Steel Chimney Pipe from China
Welded nonalloy steel pipe, circular with wall ≥1.65 mm, designed for chimney and exhaust venting in buildings. Under HTS 7306.30.50 as other welded circular tubes, not for boiler or precision use. Durable for high-temperature flue applications.
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
• Certify compliance with ASTM standards for chimney use to aid customs review
• Document as 'other tubes' excluding boiler tube specs to maintain classification