SUJ2 - JIS G 4805-2019

Grade	SUJ2
Corresponding Standard	JIS G 4805-2019 High carbon chromium bearing steels
Brand/Supplier	-> POSCO Japan -> NSSC Japan -> JFE Steel
Classification	Bearing Steel
Properties	Hardness Fatigue Resistance Quench Hardness

SUJ2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.95	0.15	-	-	-	1.3	-	-	-
Maximum Value	1.1	0.35	0.5	0.025	0.025	1.6	0.25	0.25	0.08

SUJ2 Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Spheroidizing Annealing	≤201

New and Old Grade Replacement List

Corresponding Standard	Grade
JIS G 4805-2008	Grade
JIS G 4805-2019	Grade

1 Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

Sweden

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

SKF

BS EN/BS

GCr15

B00150

SUJ2

STB2

E52100

G52986

100Cr6
(B1)

100Cr6
(W3)

1.3505

100Cr6
(100C6)

ЩХ15

SKF3

535A99

2 Approximate Comparison Table Alloy cold-work tool steel

China	Japan	United States	Germany	France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	DIN EN/DIN	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
Cr2 GCr15	SUJ2	52100	100Cr6	100Cr6 100Cr6RR	102Cr6	1.2067	KH ShKh15	2258	534A99 535A99

SUJ2 Corresponding Standards(Same grade name, different standards)

1	JIS G 4805-2008
	SUJ2
2	JIS G 4805-2019
	SUJ2

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