45Г2 - GOST 4543-1971

Grade	45Г2
Corresponding Standard	GOST 4543-1971 ALLOYED CONSTRUCTION STEEL Specifications
Classification	Alloy Steel
Properties	Quench Hardness

45Г2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.41	0.17	1.4	-	-	-	-	-
Maximum Value	0.49	0.37	1.8	0.035	0.035	0.3	0.3	0.3

• The letter A at the end of the grade stands for “high quality steel”. Character III means “Extra high quality steel”. For example, quality steel -30XΓC; High quality steel -30XΓCA; Extra high quality steel -30X ΓC-Ⅲ and 30XΓCA-Ⅲ.

Approximate Comparison Table structural alloy steel

China		Taiwan, China	Japan	South Korea	United States		Germany		France	Russia
GB	ISC	CNS	JIS	KS	ASTM/AISI	UNS	DIN EN/DIN	W-Nr.	NF EN/NF	GOST
45Mn2	A00452	SMn443	SMn443	SMn443	1345	G13450	46Mn7	1.0912	45M5	45Г2

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