SCr420 - JIS G 4053-2016

Grade	SCr420
Corresponding Standard	JIS G 4053-2016 Low-alloyed steels for machine structural use
Brand/Supplier	Japan -> JFE Steel Japan -> NSSC -> POSCO
Classification	Alloy Steel

SCr420 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.18	0.15	0.6	-	-	0.9	-	-
Maximum Value	0.23	0.35	0.9	0.03	0.03	1.2	0.25	0.3

New and Old Grade Replacement List

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

20Cr
20CrH

A20202

SCr420

SCr420
SCr420H
SCR420HRCH

SCr420

5120

G51200

20Cr4

1.7027

18C3

20Cr4

1.7027

20Х

527A20

SCr420 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"!