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AISI 4130 Cold-Rolled Alloy Steel Slab 10mm Thick from China

Flat-rolled 10mm thick AISI 4130 chromoly steel slab, 1200mm wide, cold-rolled only. Fits HTS 7225.50.60.00 as other cold-reduced alloy steel ≥600mm wide, ≥4.75mm thick, without further working like enameling. Popular for aircraft tubing and structural frames.

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

Use calibrated tools for thickness verification; CBP may inspect to confirm ≥4.75mm threshold

Include commercial invoice specifying 'cold-rolled, not further worked' to match tariff description

Beware bulk vs retail packaging—sets with fittings may classify under different rules