Zinc-Coated Chipper Knife Alloy Tool Steel Strip from China

380 mm wide chipper knife steel strip (0.48-0.55% C, 7.25-8.75% Cr, 1.25-1.75% Mo) electrolytically zinc coated for corrosion protection during machining. HTS 7226.99.0110 for alloy steel flat-rolled <600 mm with electrolytic zinc. Meets chipper knife steel definition per US note (f).

Duty Rate — China → United States

35%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Provide chemical certificate matching exact chipper knife steel elemental range

Document intended knife blade fabrication to support tool steel classification

Ensure coating applied post-rolling, not during hot-rolling process