Mulcher Chipper Steel Flat Stock from Canada
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 — Canada → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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