30Cr2Ni2Mo A50300 - GB /T 3077-2015

30Cr2Ni2Mo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.26	0.17	0.5	-	-	1.8	1.8	-	0.3
Maximum Value	0.34	0.37	0.8	0.03	0.03	2.2	2.2	0.3	0.5

30Cr2Ni2Mo 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
d=25	Quenching + Tempering	≥980	≥835	≥10	≥50	≤269	≥71

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

30Cr2Ni2Mo Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!