AISI 4140 Alloy Steel Strip from Japan
Flat-rolled strip of AISI 4140 chromium-molybdenum alloy steel, width 450 mm, thickness 1.5 mm, cold-rolled finish. Classified under HTS 7226.99.0180 as flat-rolled alloy steel product (not stainless), width under 600 mm, not further worked beyond basic rolling. Used in machinery shafts and gears.
Duty Rate — Japan → 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
• Provide mill test certificate confirming alloy composition meets Chapter 72 definitions (e.g
• Cr+Mo content)
• Declare exact width/thickness; products >=600mm shift to 7225 heading
• Avoid 'further worked' treatments like coating/polishing to prevent reclassification to 7226.91+