M42 Cobalt High-Speed Steel Bar from Mexico
M42 grade high-speed steel bar with cobalt addition for enhanced hot hardness, meeting note (e) criteria with high vanadium and molybdenum content. 1.25-inch square cross-section, not cold-formed, used for high-performance end mills. HTS 7228.10.0010 covers such uncoated, hot-worked high-speed steel bars.
Duty Rate — Mexico → United States
10%
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
Import Tips
• Certify cobalt content and other alloys via spectrographic analysis to prevent disputes over high-speed qualification
• Ensure no cold-reduction; thermal processing records help prove not cold-formed status
• Avoid rust/discoloration claims at entry per chapter note; no duty allowance for surface corrosion