18CrMo4H 7 18CrMo4 18CrMo4HH - ISO 683-11-1987

Grade	18CrMo4H
ISO Numeric Designation	7
Other Names
Corresponding Standard	ISO 683-11-1987 Heat-Treatable Steels, Alloy Steels and Free-cutting Steels — Part 11: Case-Hardening Steel
Classification	Alloy Steel
Properties	Carburizing Capability

18CrMo4H Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.15	0.15	0.6	-	-	0.9	0.15
Maximum Value	0.21	0.4	0.9	0.035	0.035	1.2	0.25

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

A30205

SCM420H

4118H

H41180

18CrMo4H

18CrMo4

1.7243

18CrMo4
(20CD4)

20ХМ

18CrMo4

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!