AISI 4340 Hot-Extruded Alloy Bar 190mm from China
Nickel-chromium-molybdenum AISI 4340 alloy steel bar, hot-extruded to 190 mm cross-section for aircraft landing gear forgings. Covered by HTS 7228.30.80.45 for alloy steel bars hot-rolled/drawn/extruded, 152-228 mm, not further worked. Alloy confirmed by Ni-Cr-Mo composition.
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
• Distinguish hot-extruded vs cold-extruded in entry docs; aerospace grades need material traceability certificates; check for Section 232 tariffs on alloy steel bars