50CrMo4 1.7228 - DIN 17200-1987

Grade	50CrMo4
Germany W-Nr.	1.7228
Corresponding Standard	DIN 17200-1987 Steels for Quenching and Tempering; Technical Delivery Conditions
Classification	Alloy Steel

50CrMo4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.46	-	0.5	-	-	0.9	0.15
Maximum Value	0.54	0.4	0.8	0.035	0.03	1.2	0.3

50CrMo4 Mechanical Properties

condition	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
Steel; All Sizes	Softening Annealing (G)					≤248
Steel; d≤16	Quenching and Tempering (V)	1100~1300	≥900	≥9	≥40		ISO-V ≥30
Steel; 16<d≤40	Quenching and Tempering (V)	1000~1200	≥780	≥10	≥45		≥30
Steel; 40<d≤100	Quenching and Tempering (V)	900~1100	≥700	≥12	≥50		≥30
Steel; 100<d≤160	Quenching and Tempering (V)	850~1000	≥650	≥13	≥50		≥30
Steel; 160<d≤250	Quenching and Tempering (V)	800~950	≥550	≥13	≥50		≥30

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"!