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Home
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Steel
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Alloy Steel
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SAE J404:2009 4340
/
Forging
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
Grade
SAE J404:2009 4340
Standard
SAE J404:2009
Description
Nickel-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%.
Applications
Aircraft 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
New
15D Offer Price
New
30D Offer Price
▼ -100.0%
Supply & Demand: Forging
See Full Supply & Demand →
SAE J404:2009 4340 Forging
Deep Supply
Surface:
All
Black (Forged)
Black (Hot Rolled)
Processing:
All
As Forged
Normalised
Active SAE J404:2009 4340 Forging Listings (For Sale)
3
SAE J404:2009 4340 Forging
1.300 MT · Closes 04 Nov 2026
View Listing
SAE J404:2009 4340 Forging
1.900 MT · Closes 29 Oct 2026
View Listing
SAE J404:2009 4340 Forging
1.000 MT · Closes 30 Oct 2026
View Listing
Buyer RFQs for SAE J404:2009 4340 Forging
1
+ Post an RFQ for this grade
SAE J404:2009 4340 Forging
0.700 MT · Closes 27 Oct 2026
View RFQ
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Alloy Steel
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