Cold-Rolled AISI 4340 High-Strength Alloy Steel Plate from Japan
Cold-reduced flat-rolled AISI 4340 steel plate (Ni-Cr-Mo alloy) at 2.5 mm thickness and 1200 mm width, used in aerospace components. Falls under HTS 7225.50.8080 for other cold-rolled alloy steel products, width ≥600 mm, thickness <4.75 mm, not further worked. Alloy composition: 0.38-0.43% C, 1.65-2.0% Ni, 0.7-0.9% Cr.
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
• Submit heat analysis certificate proving alloy status (Ni, Cr, Mo content); measure width and thickness per US notes to confirm statistical suffix; watch for anti-dumping duties on certain alloy grades