50CrMo4 1.7228 - EN 10132-2021

Grade	50CrMo4
European Standard Steel Grade	1.7228
Corresponding Standard	EN 10132-2021 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions
Classification	Alloy Steel

50CrMo4 Chemical Element Composition Content (%)

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

① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. All reasonable precautions shall be taken to prevent the addition, from scrap or other material used in manufacture, of such elements which affect the hardenability, mechanical properties and application.

50CrMo4 Mechanical Properties

Delivery condition*	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
annealed (+A) or annealed and skin passed(+LC)	≤700	≤540	≥13	HV ≤220
cold rolled(+CR)	Agreed Upon at Time of Order			Agreed Upon at Time of Order
quenched and tempered(+QT)**	1200~1800			HV 370~550

• The elongation values in the table are for a gauge length of 80 mm.
• +A=annealed，+LC=annealed and skin passed，+CR=cold rolled，+QT=quenched and tempered

1 Approximate Comparison Table

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)

1	ISO 683-18-1996
	50CrMo4
2	DIN 17200-1987
	50CrMo4 1.7228
3	EN 10083-3-2006
	50CrMo4 1.7228
4	EN 10250-3-1999
	50CrMo4 1.7228
5	DIN 17230-1980
	(50CrMo4) 48CrMo4 1.3565 (1.7238) (1.7228) (49CrMo4)
6	ISO 683-2-2016
	50CrMo4
7	ISO 683-18-2014
	50CrMo4
8	EN ISO 683-2-2018
	50CrMo4
9	EN 10132-2021
	50CrMo4 1.7228
10	NF EN 10083-3-2006
	50CrMo4 1.7228

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