18CrMoS4 - DIN EN ISO 683-3-2019

Grade	18CrMoS4
Corresponding Standard	DIN EN ISO 683-3-2019 Heat-treatable steels,alloy steels and free-cutting steels--Part 3: Case-hardening steels
Classification	Alloy Steel

18CrMoS4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.15	0.15	0.6	-	0.02	0.9	-	0.15
Maximum Value	0.21	0.4	0.9	0.025	0.04	1.2	0.4	0.25

18CrMoS4 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
All product shapes	Soft Annealing (+A)	≤207
Bar, wire, flat steel, forging	Processed to a Certain Hardness (+TH)	156~207
Bar, forging	Processed to Ferrite-Perlite Structure (+FP)	≥140

New and Old Grade Replacement List

18CrMoS4 Corresponding Standards(Same grade name, different standards)

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