35CrNi4Mo PCrNi4Mo - GJB 1220A-2008

Grade	35CrNi4Mo
	PCrNi4Mo
Corresponding Standard	GJB 1220A-2008 Speification for alloy structure steel bar for artillery parts
Classification	Alloy Steel

35CrNi4Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.3	0.17	0.4	-	-	0.7	3.75	-	0.35
Maximum Value	0.38	0.37	0.7	0.03	0.03	1.1	4.25	0.25	0.45

35CrNi4Mo Mechanical Properties

diameter d mm	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
d=25	850°C Quenching, Oil Cooling, 620°C Tempering, Oil Cooling	≥1030	≥885	≥12	≥50	-	KU2 ≥78
Steel	Annealing or Tempering	-	-	-	-	≤269	-

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