20MoCr4 - ISO 683-3-2019

Grade	20MoCr4
Corresponding Standard	ISO 683-3-2019 Heat-treatable steels,alloy steels and free-cutting steels--Part 3: Case-hardening steels
Classification	Alloy Steel

20MoCr4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo
Minimum Value	0.17	0.1	0.7	-	-	0.3	-	0.4
Maximum Value	0.23	0.4	1	0.025	0.035	0.6	0.4	0.5

1 Approximate Comparison Table

China		United States	International Organization for Standardization	Germany		European Standard
GB	ISC	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
G20CrMo	B10200	A534 4118H	≈20MnCrMo4-2 (B27) 20MoCr4	20MoCr4	1.7321	20MoCr4	1.7321

2 Approximate Comparison Table

International Organization for Standardization	European Standard
ISO	EN	Numerical Grade
20MoCr4	20MoCr4	1.7321

20MoCr4 Corresponding Standards(Same grade name, different standards)

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