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AISI 4340 High-Tensile Alloy Steel Band from China

Narrow 4340 Ni-Cr-Mo alloy steel band, 300 mm width, 3 mm thick, temper-rolled. HTS 7226.99.01 covers this as other flat-rolled alloy steel <600 mm, excluding high-strength (yield specs not met) or special steels. Used in aerospace fasteners.

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

Certify minimum yield strength <355 MPa (if ≥3mm) to avoid high-strength steel duties

Document 'not in coils' status if applicable; coiled products may shift subheadings

Maintain traceability for potential antidumping investigations on alloy steel