</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

18-inch LSAW Carbon Steel Oil Transmission Pipe from China

Heavy-duty LSAW carbon steel pipe with 18-inch (457 mm) external diameter for long-distance crude oil transmission, featuring thick walls for pressure resistance. HTS 7305.11.10.30 applies to its welded circular construction, non-alloy steel material, and oil pipeline designation within the specified diameter range.

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

Ensure supplier provides dimensional certificates confirming external diameter stays within 406.4-609.6 mm

For bulk shipments, segregate by grade to prevent mixing with alloy steel lots triggering higher duties