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Forged 4340 Alloy Steel Flat Bar from Japan

Forged flat bar of 4340 nickel-chromium-molybdenum alloy steel, supplied in rectangular cross-section without further working, ideal for structural components in aerospace. Classified under HTS 7228.40.00.00 for alloy steel bars forged only, meeting alloy steel definitions with added Ni and Cr content. No polishing, coating, or other Chapter 72 'further worked' treatments applied.

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

Provide chemical analysis certificates proving >1.5% Ni and Cr-Mo content for alloy verification; inspect for any scale removal that could be deemed 'further worked'; use proper packing to prevent rust, as no duty allowance for pre-entry discoloration per Chapter notes