AISI 4340 Chromium-Molybdenum Steel Slab from Japan
AISI 4340 alloy steel slabs for aerospace forgings and high-stress components, typically 200-400mm thick in rectangular form. Classified in 7224.90.00 as semi-finished other alloy steel, not meeting tool steel or high-strength definitions in U.S. notes, intended for hot rolling into plates.
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
• Declare exact dimensions and require heat analysis certificates; slabs must not be in coils or further worked (e.g
• no coatings)
• Watch for Section 232 tariffs on steel imports exceeding quotas