CPM-M4 Tool Steel Coil Rods from China

Hot-rolled irregularly wound coils of CPM-M4 powder metallurgy tool steel (1.4% C, 4% Cr, 4% V, 4% Mo), untreated, classified 7227.90.10 as tool steel meeting note (e)(i)/(v). For wear-resistant cutting tools.

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

PM grades need detailed certs proving hot-rolled coil form, not sintered finished

Monitor for 'further worked' coatings; even oil residue may trigger reclass

Batch test for exact elements; vanadium >1% confirms tool steel status