AISI 4140 Alloy Steel Rectangular Bloom from Mexico
A rectangular cross-section semi-finished product made from AISI 4140 chromium-molybdenum alloy steel, with width less than four times the thickness, used for forging into shafts and gears. Classified under HTS 7224.90.0045 as other alloy steel semi-finished products of rectangular shape not meeting rectangular bar criteria. Meets alloy steel definition with added chromium and molybdenum beyond carbon steel limits.
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
• Provide mill test certificate confirming alloy composition meets AISI 4140 specs; Ensure dimensions verify width <4x thickness ratio; Declare exact cross-sectional dimensions on entry documents to avoid reclassification