30CrNiMo8 1.6580 - DIN EN 10269-2014

Grade	30CrNiMo8
Germany W-Nr.	1.6580
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

30CrNiMo8 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.26	-	0.5	-	-	1.8	1.8	0.3
Maximum Value	0.34	0.4	0.8	0.025	0.035	2.2	2.2	0.5

30CrNiMo8 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
-*	+A	-	-	-	-	≤255	-
d≤40**	+QT	1040~1200	≥940	≥14	≥40	-	≥45
40<d≤120**	+QT	≥800	≥640	≥14	≥52	-	≥45

1 Approximate Comparison Table

China		Japan	International Organization for Standardization	Germany		European Standard
GB	ISC	JIS	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
30Cr2Ni2Mo	A50300	SNCM431	30CrNiMo8	30CrNiMo8	1.6580	30CrNiMo8	1.6580

2 Approximate Comparison Table structural alloy steel

China	Japan	International Organization for Standardization	Germany	France	European Standard		Russia	United Kingdom
GB	JIS	ISO	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
30Cr2Ni2Mo	SNCM431	31CrNiMo8	30CrNiMo8	30CND8	30CrNiMo8	1.6580	3KH3M3F	823M30

30CrNiMo8 Corresponding Standards(Same grade name, different standards)

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