O1 Tool Steel Flat Bar Stock from Mexico
O1 oil-hardening tool steel in rectangular semi-finished form with width less than four times thickness, used for making gauges and fixtures. HTS 7224.90.0015 covers this as other alloy tool steel rectangular primary forms. Composition includes 0.85-1.0% C and 1-1.8% Mn per tool steel definition (e)(iii).
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
• Include heat analysis showing 0.85%+ C and 1-1.8% Mn to qualify as tool steel under note (e)(iii)
• Verify and record exact cross-sectional dimensions for customs dimension verification
• Ensure product remains in primary form without further working treatments listed in chapter notes