30CrNi2MoVE - GJB 3783A-2015 - H2ABC

中文版

Grade	30CrNi2MoVE
Corresponding Standard	GJB 3783A-2015 Specification for Steel Bars and Steel Forgings for Barrel of Middle-Small Caliber Quick Firing Arms
Classification	Alloy Steel

30CrNi2MoVE Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.27	0.17	0.3	-	-	0.6	2	-	0.2	0.2
Maximum Value	0.34	0.37	0.6	0.015	0.015	0.9	2.4	0.2	0.3	0.3

30CrNi2MoVE Mechanical Properties

condition	Mark	Heat Treatment or Condition	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Steel bars or forgings, transverse sample; t=25	Strength Grade P-735	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 735	≥30	≥20
Steel bars or forgings, transverse sample; t=25	Strength Grade P-785	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 785	≥30	≥20
Steel bars or forgings, transverse sample; t=25	Strength Grade P-835	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 835	≥25	≥20
Steel bars or forgings, transverse sample; t=25	Strength Grade P-885	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 885	≥25	≥17

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