SMnC420H - JIS G 4052-2016

Grade	SMnC420H
Corresponding Standard	JIS G 4052-2016 Structural Steels with Specified Hardenability Bands
Brand/Supplier	Japan -> JFE Steel
Classification	Alloy Steel

SMnC420H Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.16	0.15	1.15	-	-	0.35	-	-
Maximum Value	0.23	0.35	1.55	0.03	0.03	0.7	0.25	0.3

1 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China		Japan	South Korea	United States		International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	ISC	JIS	KS	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
16CrMnH	A22165	≈SMnC420H	≈SMnC420H	≈5120H	≈H51200	16MnCr5H	16MnCr5	1.7131	16MnCr5	≈18ХГ	16MnCr5

2 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

20CrMnH

A22205

SMnC420H

5120H

H51200

20MnCr5H

20MnCr5

1.7147

20MnCr5

18ХГ

20MnCr5

3 Approximate Comparison Table Structural Alloy Steel

China	Japan	United States	International Organization for Standardization	Germany	France	European Standard		Russia
GB	JIS	SAE	ISO	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST
20CrMn 20CrMnTi 20MnCr	SMnC420H	5120	20MnCr5	20MnCr5	20MC5	20MnCr5	1.7147	18KHG

SMnC420H Corresponding Standards(Same grade name, different standards)

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