Mulcher Chipper Steel Flat Stock from Mexico
Flat stock bars of certified chipper knife steel for mulcher flail knives, silicon 0.75-1.05% for deoxidation. Hot-rolled only, not cold-formed per HTS. Specific 7228.30.4000 classification for this alloy tool steel.
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
• Flat stock thickness <3mm risks high-strength steel scrutiny per note (a)
• Carbon range 0.48-0.55% non-negotiable; spectrometer reports required
• No paint/coating allowed; violates further worked prohibition