Welded Steel Pipe for Industrial Chimney Stack from China

Large OD welded nonalloy steel pipe sections for exhaust stacks on factories, >406.4 mm diameter. Falls under 7305.39.1000 as other circular welded tubes of iron/nonalloy steel. Designed for bolted sectional assembly.

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 coating specs must be documented for environmental permits

Confirm vertical load design doesn't qualify as 'tower' structures

Bundle shipments need piece count for statistical reporting