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40Cr2MoV

40Cr2MoV

40Cr2MoV Alloy Steel

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40Cr2MoV Alloy Steel




Material Name


Material Name: 40Cr2MoV
Execution standard: YB/T 158-1999

Chemical Composition


■Chemical Composition(％)






C Si Mn S P Cr Ni
 Cu
 V
 Mo
0.36-0.44 0.15-0.35 0.45-0.77 Max 0.025
 		Max 0.025
 		0.8-1.15 Max 0.3
 Max 0.3
 0.25-0.35
 0.5-0.65

Mechanical Property


Tensile strength
σb (MPa) 		Yield Strength
σs 0.2 (MPa)
Elongation
δ 5 (％)
reduction of crosssection area
ψ (％)
 ballistic work
Akv (J)
Above 860 Above 720 Above 18 Above 50
 Above 34

specification of heat treatment and metallurgical structure


Specification of heat treatment : Quenching 890±15℃, oil cooling; tempering 650℃, air cooling.