E4340 Hot-Rolled Alloy Steel Bar Coil
Hot-rolled bars of E4340 nickel-chromium-molybdenum alloy steel in irregular coils, ideal for aircraft landing gear and high-stress components. HTS 7227.90.60.90 covers this as other hot-rolled alloy steel coils not fitting tool steel or other specific notes. Features 0.38-0.43% carbon with multiple alloying elements.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If silicon-manganese steel
Silicon-manganese alloy steels (max specified Si/Mn content) have separate heading 7227.20, not 'other alloy' 7227.90.
If further worked like phosphatized
Chemical surface treatments (phosphatizing per Chapter note) classify as further worked in 7228, not plain hot-rolled.
If semi-finished product size
If cross-section >150mm or certain thick coils, it's semi-finished under 7207, not bars/rods.
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Import Tips & Compliance
• Include heat treatment records if normalized; over-treated may be seen as 'further worked'
• Measure coil irregularity and hot-rolling temp verification to distinguish from straight lengths (7227.90.20)
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