20Cr4 - ISO 683-18-1996

Grade	20Cr4
Corresponding Standard	ISO 683-18-1996 Heat-treatable steels, alloy steels and free-cutting steels - Part 18: Bright Products of Unalloyed and Low Alloy Steels
Classification	Alloy Steel
Properties	Carburizing Ability

20Cr4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.17	0.15	0.6	-	-	0.9
Maximum Value	0.23	0.4	0.9	0.035	0.035	1.2

1 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

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

Japan	International Organization for Standardization	European Standard
JIS	ISO	EN	Numerical Grade
SCR420HRCH	20Cr4	20Cr4	1.7027

20Cr4 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"!