20MnCr5H 20MnCr5 20MnCr5HH - ISO 683-11-1987

Grade	20MnCr5H
Other Names
Corresponding Standard	ISO 683-11-1987 heat-treatable steels, alloy steels and free-cutting steels -- part 11: case-hardening steels
Classification	Alloy Steel
Properties	Quench Hardness Carburizing Ability

20MnCr5H Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.17	0.15	1.1	-	-	1
Maximum Value	0.23	0.4	1.4	0.035	0.035	1.3

1 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

2 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China		United States		International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	ISC	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
20CrMnMoH	A34205	4118H	H41180	20MnCr5H	≈20MnCr5	≈1.7147	(20MC5H)	25ХГМ	(708H20)

20MnCr5H Corresponding Standards(Same grade name, different standards)

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