Type Contrast

AISI

304

316

316

317L

321

431

630

DIN

1.4301

1.4401

1.4404

1.4438

1.4541

1.4057

1.4542

JIS

SUS304

SUS316

SUS316L

SUS317L

SUS321

SUS431

SUS630

GB

0Cr18
Ni9

-

0Cr17
Ni14Mo2

-

1Cr18
Ni9Ti

1Cr17
Ni2

0Cr17
Ni4Cu4Nb

Main Chemical
Composition

C≤

0.08

0.08

0.03

0.03

0.12

0.17

0.07

Cr

18-20

16-18

16-18

18-20

17-19

15-17

15.5-17.5

Ni

8-10.5

10-14

10-14

11-15

8-11

1.5-2.5

3-5

Mo

-

2-3

2-3

3-4

-

-

-

Cu

-

-

-

-

-

-

3-5

Ti

-

-

-

-

5*%C-0.8

-

-

Nb/Ta

-

-

-

-

-

-

0.15-0.45

Mechanical
and
Physical
Properties

1000Kg/m3
Density

7.9

7.95

7.95

7.95

7.9

7.7

7.75

(σ0.2)
Yield Strength 0.2%
offset
MPa≥

196

205

176

176

205

588

785

（σ）
Tensile Strength
Mpa

496-600

496-600

480-600

480-600

490-600

785-1370

840-1370

(δ%)
≥
Elongation

50

45

50

50

50

14

14-22

(ψ%)
≥
Reduction of area

60

60

60

60

60

45

52-56

Hardness (solution
annealed)
HB

130-180

130-180

130-180

130-180

130-180

257-270

270-290

Elastic
Modulus
GPa

197

197

197

197

197

204

-

Magneticable

无

无

无

无

-

有

有

Hardness range for
spinnerets
HB

130-180

130-180

130-180

130-180

130-180

HRC
26-35

HRC*
28-44

g/cm3
Density

MPa
Tensile strength

(δ%)
Elongation

HV0.2
Hardness

HV0.05
Hardness after
Treatment

16.6

313.6

25

90-120

300-500

Materials