25CrMo4 1.7218 - DIN EN 10269-2014

Grade	25CrMo4
Germany W-Nr.	1.7218
Corresponding Standard	DIN EN 10269-2014 Steels and Nickel Alloys for Fasteners with Specified Elevated and/or Low Temperature Properties
Classification	Alloy Steel
Properties	Quench Hardness
Density	7.85 g/cm³

25CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.22	-	0.6	-	-	0.9	0.15
Maximum Value	0.29	0.4	0.9	0.025	0.035	1.2	0.3

25CrMo4 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
-*	+S	-	-	-	-	≤255	-
-*	+A	-	-	-	-	≤212	-
-*	+AC	≤580	-	-	≥59	-	-
d≤100**	+QT	600~750	≥440	≥18	≥60		≥60
100<d≤150**	+QT	600~750	≥420	≥18	≥60		≥45

1 Approximate Comparison Table Structural Alloy Steel

2 Approximate Comparison Table Cold Heading Steel

3 Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
30CrMo	SCM420 SCM430	4130	25CrMo4	25CrMo4	25CD4	25CrMo4	1.7218	20KHM 30KHM 30KHMA	2225	708A25 708M25 CFS10

4 Approximate Comparison Table Cast Steel

25CrMo4 Corresponding Standards(Same grade name, different standards)

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