Hot-Rolled 4340 Nickel-Chromium-Molybdenum Steel Coil
AISI 4340 alloy steel hot-rolled coil, 1000 mm width, 8 mm thickness, for aircraft landing gear components. HTS 7225.30.30.50 applies to other alloy steel flat products, hot-rolled in coils, thickness exceeding 4.75 mm, excluding special types like tool or ball-bearing steel.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If thickness under 4.75 mm
Same alloy steel but thinner coils classify in the under 4.75 mm thickness subheading.
If not in coils (straight lengths)
Hot-rolled alloy steel flat products not in coils move to Chapter 72 heading 7226.
If for universal mill plate form
If rolled on four faces, width 150-1250mm, thickness ≥4mm, not in coils per US Note (b).
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Import Tips & Compliance
• Include chemical analysis certificate showing Ni-Cr-Mo composition not meeting tool steel criteria
• Document hot-rolling process to confirm no cold-rolling or surface treatments occurred
• Avoid rust/discoloration claims - no duty allowance per Chapter 72 note
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