30CrSiMoVA - GJB 2151-1994

Grade	30CrSiMoVA
Corresponding Standard	GJB 2151-1994 Specification for Cold-rolled Alloy Structure Steel Sheets for Aerospace
Classification	Alloy Steel

30CrSiMoVA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.27	0.5	0.5	-	-	1	-	-	0.4	0.3
Maximum Value	0.35	0.8	0.8	0.025	0.025	1.3	0.3	0.25	0.5	0.4

30CrSiMoVA Mechanical Properties

form	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Cold rolled steel plate		Delivery Condition	-	-	≤229
sample	Group A	890~910°C Quenching, Oil Cooling, 600~640°C Tempering, Oil or Water Cooling	≥1000	≥9
sample	Group B	940~960°C Quenching, Air Cooling, 610~650°C Tempering, Air Cooling	≥930	≥8

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