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Industrial Chipper Knife Steel Plate 4mm x 500mm from Mexico

Hot-rolled plate of chipper knife steel, 4mm thick x 500mm wide, precisely alloyed with 0.48-0.55% C, 8.5% Cr, 1.5% Mo meeting U.S. Note (f). As a flat-rolled alloy tool steel product under 600mm width and not further worked, it imports under HTS 7226.91.0500 for wood chipper knife production.

Duty Rate — Mexico → 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

Include detailed heat analysis report showing compliance with all seven chipper knife steel elements (C, Mn, Si, Cr, Mo, W, V)

Photograph products pre-shipment to document hot-rolled surface condition against potential CBP further-worked challenges

Monitor for minimum yield strength if marketed as high-strength, which has separate note (a) definitions affecting other codes