Cold-Formed 4140 Alloy Steel Round Bar from Mexico
A 4140 chromium-molybdenum alloy steel bar, cold-formed with a diameter of 25 mm, used in mechanical engineering for shafts and gears. Classified under HTS 7228.50.5015 as other bars and rods of alloy steel, not further worked than cold-formed or cold-finished, with cross-section less than 76 mm. Meets alloy steel definition due to chromium and molybdenum content.
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 (Cr, Mo content) to verify classification as alloy steel
• Ensure accurate dimensional measurement documentation; cross-section must be certified under 76 mm
• Avoid common pitfall of misclassifying as hot-rolled (7228.30); cold-forming process must be documented