CPM-M4 Tool Steel Rectangular Stock from China
CPM-M4 powder metallurgy tool steel in rectangular semi-finished stock, width <4x thickness, for wear-resistant parts. HTS 7224.90.0015 covers such rectangular tool steel primary forms. High alloy content exceeds tool steel minimums.
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 tool steels require detailed production process documentation alongside chemistry
• Consistent cross-section critical—variations can trigger different width/thickness subheadings
• Label clearly as semi-finished to distinguish from any potential finished bar confusion