50CrMo A30502 - GB /T 3077-2015

Grade	50CrMo
China ISC	A30502
Corresponding Standard	GB /T 3077-2015 Alloy structure steels
Classification	Alloy Steel
Properties	Strength Hardness Quench Hardness

50CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.46	0.17	0.5	-	-	0.9	-	-	0.15
Maximum Value	0.54	0.37	0.8	0.03	0.03	1.2	0.3	0.3	0.3

50CrMo 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 and Tempering	≥1130	≥930	≥11	≥45	≤248	≥48

Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany		European Standard		United Kingdom
GB	JIS	ASTM	ISO	W-Nr.	L-Nr.	EN	Numerical Grade	BS EN/BS
50CrMo	SCM445	4150	50CrMo4	50CrMo4	1.7228	50CrMo4	1.7228	708M40 708M50

50CrMo 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"!