15ХA - GOST 4543-1971

Grade	15ХA
Corresponding Standard	GOST 4543-1971 Alloyed Construction Steel Specifications
Classification	Alloy Steel
Properties	Quench Hardness

15ХA Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.12	0.17	0.4	-	-	0.7	-	-
Maximum Value	0.17	0.37	0.7	0.035	0.035	1	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.

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