20NiCrMoS6-4 1.6571 - NF EN 10084-2008

Grade	20NiCrMoS6-4
	1.6571
Corresponding Standard	NF EN 10084-2008 Surface hardened structural steel
Classification	Alloy Steel

20NiCrMoS6-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.16	-	0.5	-	0.02	0.6	1.4	0.25
Maximum Value	0.23	0.4	0.9	0.025	0.04	0.9	1.7	0.35

20NiCrMoS6-4 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Steel	Processed to a Certain Shearability (+S)	≤255
Steel	Softening Annealing (+A)	≤229
Steel	Processed to a specific hardness (+TH)	179~229
Steel	Processed to Ferrite-Pearlite Structure (+FP)	154~207

20NiCrMoS6-4 Corresponding Standards(Same grade name, different standards)

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