Industrial Steel Chimney Flue Pipe from China

Welded nonalloy steel hollow pipe, 300 mm OD with 4 mm wall thickness, for industrial exhaust flues. Fits HTS 7306.30.50.90 for its welded construction, circular section, and dimension specs outside precision tube exclusions.

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 ASME standards for pressure-bearing to avoid safety rejections

Label with exact OD/wall measurements; discrepancies lead to measurement disputes