PCrNi3Mo - GJB 3783A-2015

Grade	PCrNi3Mo
Corresponding Standard	GJB 3783A-2015 Specification for Steel Bars and Steel Forgings for Barrel of Middle-Small Caliber Quick Firing Arms
Classification	Alloy Steel

PCrNi3Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.32	0.17	0.25	-	-	0.8	2.75	-	0.2
Maximum Value	0.42	0.37	0.5	0.03	0.03	1.2	3.25	0.2	0.3

PCrNi3Mo 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-635	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 635	≥30	≥17
Steel bars or forgings, transverse sample; t=25	Strength Grade P-685	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 685	≥30	≥17
Steel bars or forgings, transverse sample; t=25	Strength Grade P-735	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 735	≥30	≥17
Steel bars or forgings, transverse sample; t=25	Strength Grade P-785	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 785	≥30	≥15
Steel bars or forgings, transverse sample; t=25	Strength Grade P-835	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 835	≥25	≥15
Steel bars or forgings, transverse sample; t=25	Strength Grade P-885	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 885	≥25	≥15
Steel bars or forgings, transverse sample; t=25	Strength grade P-930	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 930	≥25	≥15

PCrNi3Mo Corresponding Standards(Same grade name, different standards)

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