CPM-M4 Tool Steel Round Bar from China
Particle metallurgy CPM-M4 tool steel round bar for wear-resistant dies, classified as tool steel per multiple Note (e) criteria (C, Cr, Mo). HTS 7228.60.10.60 for other tool steel bars not high-speed. PM process doesn't change classification.
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 same tool steel chem cert as conventional - specify Note (e) criteria met
• Avoid surface rust claims - Chapter note denies duty allowance for pre-entry rust
• Declare exact diameter for statistical breakout in .10.60 suffix