50CrMo4 - ISO 683-18-2014

50CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.46	0.1	0.5	-	-	0.9	-	0.15
Maximum Value	0.54	0.4	0.8	0.025	0.035	1.2	0.4	0.3

50CrMo4 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
16＜t≤100	S.annealed +peeled (+A +SH)				≤248
16＜t≤40	Quenched and tempered and peeled (+QT+SH)	1000~1200	≥780	≥10		≥30
40＜t≤100	Quenched and tempered and peeled (+QT+SH)	900~1100	≥700	≥12		≥30

1 Approximate Comparison Table Alloy Steel for Quenching and Tempering

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
50CrMo4	50CrMo4	1.7228

2 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

50CrMo4 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"!