AISI 4340 Hot-Extruded Alloy Bar 190mm from Japan
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 — Japan → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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