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Hot-Rolled AISI 4140 Alloy Steel Coil from China

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 — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

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