Steelless 

Mechanical Properties

Physical Properties

Y.S.
(N/mm2)

 T.S.
(N/mm2)

EL
(%)

Hardness
(HRB)

Specific
Heat
(J/g℃)

Modulus of
Elasticity
(KN/mm2)
（20℃）

Coefficient of
Heat Expansion
10-6cm/cm/（20~100℃）

Thermal
Conductivity
W/m（20℃）

ASTM/JIS

301/SUS301

≧205

≧515

≧40

≦95

0.5

200

16

15

ASTM/JIS

301L/SUS301L

≧220

≧550

≧45

≦100

0.5

200

16

15

ASTM

301LN

≧240

≧550

≧45

≦100

0.5

200

16

15

Steelless

Mechanical Properties

Physical Properties

 Yield
(N/mm2)

 Tensile
 (N/mm2)

 Elongation
 (%)

Hardness
 (HRB)

Specific Heat
 (J/g℃)

Spring rate
 (KN/mm2)

Thermal Expansion
（20~100℃）

Heat Conduction 
（100℃）

JIS

SUS309S

≥205

≥520

≥40

≤90

0.50

195

16.2

15.8

JIS

SUS310S

≥205

≥520

≥40

≤90

0.50

200

15.9

14.2

Steelless

Mechanical Properties

Physical Properties

 Yield
(N/mm2)

 Tensile
 (N/mm2)

 Elongation(%)

Hardness
 (HRB)

Specific Heat
 (J/g℃)

Spring rate
 (KN/mm2)

Thermal Expansion
（20~100℃）

Heat Conduction  （100℃）

ASTM/GB

316L/
022Cr17Ni12Mo2

≥170

≥485

≥40

≤95

0.5

193

15.9

16.3

JIS

SUS 316L

≥175

≥480

≥40

≤90

ASTM

316Ti

≥205

≥515

≥40

≤95

0.5

200

16.5

15.9

JIS

SUS 316Ti

≥205

≥520

≥40

≤90

ASTM

317L

≥205

≥515

≥40

≤95

0.5

200

16.0

15.9

JIS

SUS 317L

≥175

≥480

≥40

≤90

Standard

key Chemical

JIS

GB

ASTM

EN

C
max

Si
max

Mn
max

P
max

S
max

Ni

Cr

Others

Austenite

Basic

SUS304

0Cr18Ni9

S30400

1.4301

0.08

1.00

2.00

0.045

0.030

8.00-10.50

18.00-20.00

SUS304L

00Cr19Ni10

S30403

1.4307

0.030

1.00

2.00

0.045

0.030

9.00-13.00

18.00-20.00

igh strength and toughness

SUS301

1Cr17Ni7

S30100

1.4310

0.15

1.00

2.00

0.045

0.030

6.00-8.00

16.00-18.00

301B

1Cr17Ni7

S30100

1.4310

0.095-0.135

0.50-0.80

0.60-0.90

0.035

0.030

6.55-6.85

16.25-16.75

Mo:0.40;Cu:0.40;N:0.045

301S

1Cr17Ni7

S30100

1.4310

0.110-0.145

0.30-0.60

1.60-1.90

0.035

0.030

6.10-6.40

16.30-16.90

Mo:0.40;Cu:0.40;N:0.04-0.07

SUS301L

S30103

1.4318

0.030

1.00

2.00

0.045

0.030

6.00-8.00

16.00-18.00

N:0.20

Deep  Stamping

SUS304（Ni8.5)

0Cr18Ni9

S30400

1.4301

0.08

1.00

2.00

0.045

0.030

8.50-10.50

18.00-20.00

SUS304(Ni9）

0Cr18Ni9

S30400

1.4301

0.08

1.00

2.00

0.045

0.030

9.00-10.50

18.00-20.00

SUS304Cu

0Cr18Ni9

S30400

1.4301

0.08

1.00

2.00

0.045

0.030

8.00-10.50

18.00-20.00

Cu:0.70-1.30

High Corrosion Resistance

SUS316﹡

0Cr17Ni12Mo2

S31600

1.4401

0.08

1.00

2.00

0.045

0.030

10.0-14.00

16.00-18.00

Mo:2.00-3.00

SUS316L

00Cr17Ni14Mo2

0.030

1.00

2.00

0.045

0.030

12.00-15.00

16.00-18.00

Mo:2.00-3.00

316L（ASTM）

S31603

0.030

0.75

2.00

0.045

0.030

10.0-14.0

16.00-18.00

Mo:2.00-3.00

SUS321

0Cr18Ni10Ti

S32100

1.4541

0.08

1.00

2.00

0.045

0.030

9.00-13.00

17.00-19.00

Ti:5*C%

Ferrite

Basic

SUS430

1Cr17

S43000

1.4016

0.12

0.75

1.00

0.040

0.030

16.00-18.00

Heat Resistant & Antioxidant

SUH409L

S40910

1.4512

0.030

1.00

1.00

0.040

0.030

10.50-11.75

Ti:6*C%-0.75

SUS410L

00Cr12

S41003

1.4003

0.030

1.00

1.00

0.040

0.030

11.00-13.50

Welding and Corrosion Resistance

SUS436L﹡

00Cr17Mo

0.025

1.00

1.00

0.040

0.030

16.00-19.00

439（ASTM）

00Cr17

S43035

1.4510

0.030

1.00

1.00

0.040

0.030

0.50

17.00-19.00

Mo:0.75-1.50;Ti,Nb,Zr:8*(C%+N%)-0.80

SUS444﹡

00Cr18Mo2

S44400

1.4521

0.025

1.00

1.00

0.040

0.030

17.00-20.00

Ti:[0.20+4*(C%+N%)]-1.10;Al:0.15;N:0.030

Martensite

Basic

SUS420J2﹡

3Cr13

1.4028

0.26-0.40

1.00

1.00

0.040

0.030

12.00-14.00

Mo:1.75-2.50;Ti,Nb,Zr:8*(C%+N%)-0.80

Grade

Standrad

Key Mechanical

JIS

GB

ASTM

EN

Y.S.
N/mm2

T.S.
N/mm2

EL
%

Hardness

Winding

HV

HRB

Austenite

Basic

SUS304

0Cr18Ni9

S30400

1.4301

≥205

≥520

≥40

≤200

≤90

SUS304L

00Cr19Ni10

S30403

1.4307

≥175

≥480

≥40

≤200

≤90

igh strength and toughness

SUS301

1Cr17Ni7

S30100

1.4310

≥205

≥520

≥40

≤218

≤95

301B

1Cr17Ni7

S30100

1.4310

≥205

≥520

≥40

≤218

≤95

301S

1Cr17Ni7

S30100

1.4310

≥205

≥520

≥40

≤218

≤95

SUS301L﹡

S30103

1.4318

≥215

≥550

≥45

≤218

≤95

Deep  Stamping

SUS304（Ni8.5)

0Cr18Ni9

S30400

1.4301

≥205

≥520

≥40

≤200

≤90

SUS304(Ni9）

0Cr18Ni9

S30400

1.4301

≥205

≥520

≥40

≤200

≤90

SUS304Cu

0Cr18Ni9

S30400

1.4301

≥205

≥520

≥40

≤200

≤90

High Corrosion Resistance

SUS316﹡

0Cr17Ni12Mo2

S31600

1.4401

≥205

≥520

≥40

≤200

≤90

SUS316L

00Cr17Ni14Mo2

≥175

≥480

≥40

≤200

≤90

316L（ASTM）

S31603

≥170

≥485

≥40

≤200

≤95

SUS321

0Cr18Ni10Ti

S32100

1.4541

≥205

≥520

≥40

≤200

≤90

Ferrite

Basic

SUS430

1Cr17

S43000

1.4016

≥205

≥420

≥22

≤200

≤88

180°

.

Heat Resistant & Antioxidant

SUH409L

S40910

1.4512

≥175

≥360

≥25

≤175

≤80

180°

SUS410L

00Cr12

S41003

1.4003

≥195

≥360

≥22

≤200

≤88

180°

Welding and Corrosion Resistance

439（ASTM）

00Cr17

S43035

1.4510

≥205

≥415

≥22

≤200

≤89

180°

Martensite

 Basic

SUS420J2﹡

3Cr13

1.4028

≥225

≥540

≥18

≤247

≤99