CPM-M4 Tool Steel Bar from China

Powder metallurgy CPM-M4 tool steel bar, with high carbon/chromium/molybdenum/vanadium meeting multiple tool steel criteria excluding high-speed. Used for wear parts and cutting tools. HTS 7228.60.10 for such tool steel forms.

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

Provide powder metallurgy process documentation alongside composition certs

Label clearly as 'tool steel bar - not high-speed' to guide classification

Beware quota restrictions or additional duties on certain alloy steel shapes