Large Stainless Steel Welded Stack Pipe from China
610 mm OD longitudinally welded stainless steel stack pipe for industrial chimney exhaust systems handling acidic gases. Fits HTS 7305.31.60.10 as large circular welded stainless pipe.
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
• Thermal expansion coefficients must be documented for stack design approval
• Lining material declaration (if brick/ceramic lined) affects classification
• Elevation/height specs required for wind load calculations in permitting