SAE J404:2009 4340 Forging Listings

All SAE J404:2009 4340 Forging listings on M-EX.

All SAE J404:2009 4340 Forms Alloy Steel
Grade Details
GradeSAE J404:2009 4340
Standard SAE J404:2009
DescriptionNickel-chromium-molybdenum alloy steel SAE 4340 (UNS G43400) to SAE J404 JAN2009, a chemistry-only grade. Carbon 0.38-0.43% and manganese 0.60-0.80%.
ApplicationsAircraft parts, heavy duty gears, crankshafts
Equivalent Grades
Grade Standard Region Live Forging on M-EX
EN 10083-3 34CrNiMo6 EN 10083-3 Europe No activity yet
BS 970 EN24 BS 970 UK No activity yet
JIS G4103 SNCM439 JIS G4103 Japan No activity yet
SAE J404 E4340 SAE J404 USA No activity yet
SAE J404 4340 SAE J404 USA No activity yet
GB/T 3077 40CrNi2Mo GB/T 3077 China No activity yet
Market Snapshot
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7D Offer Price
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15D Offer Price
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30D Offer Price
▼ -100.0%
Supply & Demand: Forging See Full Supply & Demand →
SAE J404:2009 4340 Forging Deep Supply
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Processing:

Active SAE J404:2009 4340 Forging Listings (For Sale) 3

SAE J404:2009 4340 Forging
1.300 MT  ·  Closes 04 Nov 2026
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SAE J404:2009 4340 Forging
1.900 MT  ·  Closes 29 Oct 2026
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SAE J404:2009 4340 Forging
1.000 MT  ·  Closes 30 Oct 2026
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Buyer RFQs for SAE J404:2009 4340 Forging 1

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SAE J404:2009 4340 Forging
0.700 MT  ·  Closes 27 Oct 2026
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