40Mn2 A00402 - GB /T 37601-2019

Grade	40Mn2
China ISC	A00402
Corresponding Standard	GB /T 37601-2019 Hot Rolled Steel Sheet and Strip of Alloy Structure Steel
Classification	Alloy Steel
Properties	High Strength High Hardness Good Forgability Good Machinability High Hardenability

40Mn2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.37	0.17	1.4	-	-	-	-	-	-
Maximum Value	0.44	0.37	1.8	0.03	0.02	0.3	0.3	0.3	0.1

40Mn2 Mechanical Properties

product	Heat Treatment or Condition	Hardness HBW
Steel plate, steel strip	Spheroidizing Annealing	≤217

Approximate Comparison Table Structural Alloy Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	France	European Standard		Russia
GB	ISC	CNS	JIS	KS	ASTM/AISI	UNS	ISO	NF EN/NF	EN	Numerical Grade	GOST
40Mn2	A00402	SMn438	SMn438 SMn443	SMn438	1340	G13400	42Mn6	40M5	42Mn6	1.1055	40Г2

40Mn2 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"!