PCrNi1Mo - GJB 3783A-2015

Grade	PCrNi1Mo
Corresponding Standard	GJB 3783A-2015 Specification for steel bars and steel forgings for barrel of middle-small caliber quick firing arms
Classification	Alloy Steel

PCrNi1Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.32	0.17	0.25	-	-	1.3	1.3	-	0.2
Maximum Value	0.42	0.37	0.5	0.03	0.03	1.7	1.7	0.2	0.3

PCrNi1Mo 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-540	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 540	≥35	≥17
Steel bars or forgings, transverse sample; t=25	Strength Grade P-590	Normalizing + Quenching + Tempering	Specified Proportional Limit σp 590	≥35	≥17
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

PCrNi1Mo Corresponding Standards(Same grade name, different standards)

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