4118 G41180 - SAE J 404-2000

Grade	4118
USA UNS	G41180
Corresponding Standard	SAE J 404-2000 Chemical Compositions of SAE Alloy Steels
Classification	Alloy Steel

4118 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.18	0.15	0.7	-	-	0.4	0.08
Maximum Value	0.23	0.35	0.9	0.03	0.04	0.6	0.15

Approximate Comparison Table Structural Alloy Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

20CrMo
20CrMoH

A30202

SCM420

SCM420
SCM418
SCM418H

SCM420

4118
4120

G41180

18CrMo4

20CrMo5

1.7264

18CD4

18CrMo4

1.7243

20ХМ

CDS12

4118 Corresponding Standards(Same grade name, different standards)

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