AISI 4140 Hot-Rolled Alloy Steel Round Bar from Japan
A 250 mm diameter round bar made from AISI 4140 chromium-molybdenum alloy steel, hot-rolled for structural applications. Classified under HTS 7228.30.80.70 as other alloy steel bars not further worked than hot-rolled, with diameter exceeding 228 mm. Used in heavy machinery shafts and axles due to its high strength and toughness.
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 certificates confirming alloy composition meets Chapter 72 definitions for alloy steel
• Verify exact diameter measurement exceeds 228 mm to avoid misclassification into smaller size subheadings
• Check for any surface treatments that could classify as 'further worked' under Chapter 72 notes