1.6311 20MnMoNi4-5 - EN 10250-3-1999

Grade	1.6311
European Standard Steel Grade	20MnMoNi4-5
Corresponding Standard	EN 10250-3-1999 Open Die Steel Forgings for General Engineering Purposes - Part 3: Alloy Special Steels
Classification	Alloy Steel

1.6311 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.17	-	1	-	-	-	0.4	0.45
Maximum Value	0.23	0.4	1.5	0.035	0.035	0.5	0.8	0.6

Approximate Comparison Table Pressure-Bearing Flat Steel

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
20MnMoNi 4-5	20MnMoNi 4-5	1.6311

1.6311 Corresponding Standards(Same grade name, different standards)

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