45Г - GOST 4543-1971

Grade	45Г
Corresponding Standard	GOST 4543-1971 Alloyed Construction Steel Specifications
Classification	Alloy Steel

45Г Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.42	0.17	0.7	-	-	-	-	-
Maximum Value	0.5	0.37	1	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 High-Quality Carbon Structural Steel

China		Japan	United States		International Organization for Standardization	France	Russia	Sweden	United Kingdom
GB	ISC	JIS	ASTM/AISI	UNS	ISO	NF EN/NF	GOST	SS	BS EN/BS
45Mn	U21452	(SWRH47B)	1046	G10460	SL SM	45M5	45г	1672	080A47

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