Stainless Steel Flat Oval Pipe from China

Welded stainless steel pipe with flat oval noncircular cross-section and wall under 4 mm, used in HVAC ducting transitions. HTS 7306.69.70.30 applies for its welded, thin-walled stainless construction. Offers durability in corrosive air handling systems.

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

Measure internal/external dimensions to prove noncircular status

Ensure no wire dimensions exceed 16mm per chapter wire definition exclusion

For industrial end-use, note on invoices to avoid consumer goods misclassification