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

AISI 4340 Hot-Rolled Alloy Steel Coil (22 mm diameter) from China

Nickel-chromium-molybdenum alloy steel (AISI 4340) hot-rolled into irregularly wound coils with 22 mm circular cross section, meeting HTS 7227.90.60.40 criteria for other alloy steel rods 19 mm or more. Ideal for high-stress aircraft landing gear and structural components.

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

Confirm chemical analysis excludes tool steel elements per U.S. note (e); document hot-rolling process to distinguish from cold-formed

Inspect for rust/discoloration—no duty allowance per chapter notes

Label coils clearly with diameter and grade