30Cr2Ni2WA - GJB 1951-1994

Grade	30Cr2Ni2WA
Corresponding Standard	GJB 1951-1994 Specification for Quality Structure Steel Bars for Avication
Classification	Alloy Steel

30Cr2Ni2WA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo ^*	Ti ^*	W	V ^*
Minimum Value	0.27	0.17	0.3	-	-	1.6	1.4	-	-	-	1.2	-
Maximum Value	0.34	0.37	0.6	0.025	0.025	2	1.8	0.25	0.15	0.03	1.6	0.05

30Cr2Ni2WA Mechanical Properties

condition	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
Steel Rod	Annealing or Tempering					179~269
Longitudinal specimen d=25①	Quenching at 850~870°C, oil cooling, tempering at 540~620°C	≥980	≥835	≥12	≥55	302~341	≥94
Longitudinal specimen d=25①	Quenching at 850~870°C, oil cooling, tempering at 540~620°C	≥1180	≥980	≥10	≥45	341~388	≥63

30Cr2Ni2WA Corresponding Standards(Same grade name, different standards)

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