40CrMoV - YB /T 158-1999

40CrMoV Chemical Element Composition Content (%)

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

40CrMoV Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
d=25	Oil quenching + Tempering	≥860	≥720	≥18	≥50	≤269	≥34

Approximate Comparison Table Structural Alloy Steel

40CrMoV Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!