AISI 4340 Nickel-Chromium-Molybdenum Wire from Japan
AISI 4340 alloy wire for aircraft landing gear and shafts, Ni-Cr-Mo composition for toughness. Classified HTS 7229.90.90.00 other alloy steel wire, not tool steel. Quenched/tempered capability, 2-12mm diameter.
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
• Include Charpy impact test results; declare alloy grade per AMS specs; aerospace wire may need FAA documentation