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Hot-Rolled AISI 4140 Alloy Steel Coil from Mexico

Standard AISI 4140 chromium-molybdenum alloy steel in hot-rolled coil form, ≥4.75 mm thick, ≥600 mm wide. HTS 7225.30.30 covers this as other alloy steel not further worked than hot-rolled in coils, distinct from high-strength or universal mill specifications.

Duty Rate — Mexico → 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

Mill certificates must specify 'hot-rolled, not further worked' status explicitly

Avoid mixing with cold-rolled inventory - different duty rates and classifications apply

Confirm not Section 232 derivative; declare end use if applicable