45CrNiMoVA - GJB 1220A-2008

Grade	45CrNiMoVA
Corresponding Standard	GJB 1220A-2008 Speification for alloy structure steel bar for artillery parts
Classification	Alloy Steel

45CrNiMoVA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.42	0.17	0.5	-	-	0.8	1.3	-	0.2	0.1
Maximum Value	0.49	0.37	0.8	0.025	0.025	1.1	1.8	0.25	0.3	0.2

45CrNiMoVA 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
sample	860°C Quenching, Oil Cooling, 460°C Tempering, Oil Cooling	≥1470	≥1325	≥7	≥35	-	KU2 ≥31
Steel	Annealing or Tempering	-	-	-	-	≤269	-

45CrNiMoVA Corresponding Standards(Same grade name, different standards)

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