O1 Tool Steel Flat Billet from Mexico
O1 oil-hardening tool steel flat billet with rectangular section, width at least four times thickness, used for tooling and gauges. HTS 7224.90.0025 covers such semi-finished tool steel products. O1 meets tool steel criteria with ≥0.85% carbon and 1-1.8% manganese.
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 spectrochemical analysis confirming O1 composition elements per US note (e)
• Measure and record exact width/thickness ratio on commercial invoice
• Ensure no cladding/coating; 'further worked' treatments shift to Chapter 72 headings 7228+