G20Cr2Ni4 - GB /T 33522-2017

Grade	G20Cr2Ni4
Corresponding Standard	GB /T 33522-2017 Carburizing Bearing Steel Forgings-Technical Specification
Classification	Bearing Steel
Properties	High Strength Impact Resistance Fatigue Resistance

G20Cr2Ni4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①	Mo
Minimum Value	0.17	0.15	0.3	-	-	1.25	3.25	-	-
Maximum Value	0.23	0.4	0.6	0.02	0.02	1.75	3.75	0.2	0.08

Approximate Comparison Table Case-Carburized Bearing Steel

China		International Organization for Standardization	Russia
GB	ISC	ISO	GOST
G20Cr2Ni4	B11200	≈18NiCrMo14-6 (B31)	20Х2Н4А

G20Cr2Ni4 Corresponding Standards(Same grade name, different standards)

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