Carbon Steel Seamless Duct Pipe OD 270mm WT 9mm from China
Seamless carbon steel duct pipe for industrial ventilation systems, OD 270mm, 9mm wall, ensuring airtight pressure handling. Falls under 7304.39.0048 as other seamless iron/non-alloy tubes of circular section in range. Galvanizing optional for corrosion resistance.
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
• Galvanizing doesn't change classification if applied post-forming
• Confirm roundness tolerances within 1% for OD compliance
• Ship in racks to maintain straightness under 0.2% deviation