30CrNi2MoVA - GJB 1220A-2008

Grade	30CrNi2MoVA
Corresponding Standard	GJB 1220A-2008 Speification for alloy structure steel bar for artillery parts
Classification	Alloy Steel

30CrNi2MoVA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.26	0.17	0.3	-	-	0.6	2	-	0.2	0.15
Maximum Value	0.33	0.37	0.6	0.025	0.025	0.9	2.5	0.25	0.3	0.3

30CrNi2MoVA 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	860°C Quenching, Oil Cooling, 680°C Tempering, Water or Oil Cooling	≥885	≥785	≥10	≥40	-	KU2 ≥71
Steel	Annealing or Tempering	-	-	-	-	≤241	-

30CrNi2MoVA Corresponding Standards(Same grade name, different standards)

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