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Designation

Chemical composition % by mass max unless stated

UNS No

SAE No

AISI No / Common Name

C

Si

Mn

P

S

Cr

Mo

Ni

Others

S30100

30301

301

0.15

1.00

2.00

0.045

0.030

16.0/18.0

-

6.00/8.00

N 0.10

S30103

-

301L

0.03

1.00

2.00

0.045

0.030

16.0/18.0

-

6.00/8.00

N 0.20

S30153

-

301LN

0.03

1.00

2.00

0.045

0.030

16.0/18.0

-

6.00/8.00

N 0.07/0.20

S30200

30302

302

0.15

0.75

2.00

0.045

0.030

17.0/19.0

-

8.00/10.0

-

S30215

30302B

302B

0.15

2.00/3.00

2.00

0.045

0.030

17.0/19.0

-

8.00/10.0

-

S30300

30303

303

0.15

1.00

2.00

0.20

0.15 min

17.0/19.0

0.60

8.00/10.0

Zr 0.60

S30310

-

XM-5 (303Plus x)

0.15

1.00

2.50/4.50

0.20

0.25 min

17.00/19.00

-

7.00/9.00

-

S30323

30303Se

303Se

0.15

1.00

2.00

0.20

0.060

17.0/19.0

-

8.00/10.0

Se 0.15 min

S30330

-

303Cu

0.15

1.00

2.00

0.15

0.10 min

17.00/19.00

-

6.00/10.00

Cu 2.5/4.00; Se 0.10

S30400

30304

304

0.08

0.75

2.00

0.045

0.030

18.0/20.0

-

8.00/10.5

-

S30403

30304L

304L

0.03

0.75

2.00

0.045

0.030

18.0/20.0

-

8.00/12.0

-

S30430

-

302HQ

0.03

1.00

2.00

0.045

0.030

17.0/19.0

-

8.0/10.0

Cu 3.0/4.0

S30452

-

XM-21 (304HN)

0.08

1.00

2.00

0.045

0.030

18.0/20.0

-

8.00/10.00

N 0.16/0.30

S30453

-

304LN

0.030

0.75

2.00

0.045

0.030

18.0/20.0

-

8.00/12.0

N 0.10/0.16

S30454

-

-

0.03

1.00

2.00

0.045

0.030

18.0/20.0

-

8.0/11.0

N 0.16/0.30

S30500

30305

305

0.12

1.00

2.00

0.045

0.030

17.0/19.0

-

10.5/13.0

-

S30800

30308

308

0.08

1.00

2.00

0.045

0.030

19.0/21.0

-

10.0/12.0

-

S31600

30316

316

0.08

1.00

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

-

S31603

30316L

316L

0.03

1.00

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

-

S31635

-

316Ti

0.08

0.75

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

Ti 5x (C+N) / 0.70

S31640

-

316Cb

0.08

0.75

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

Nb 10x C / 1.10

S31653

-

316LN

0.03

0.75

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

N 0.10/0.16

S31700

30317

317

0.08

1.00

2.00

0.045

0.030

18.0/20.0

3.00/4.00

11.0/15.0

-

S31703

-

317L

0.030

0.75

2.00

0.045

0.030

18.0/20.0

3.00/4.00

11.0/15.0

N 0.10

S31725

-

317LM

0.030

0.75

2.00

0.045

0.030

18.0/20.0

4.0/5.0

13.5/17.5

N 0.20

S31726

-

317LMN

0.030

0.75

2.00

0.045

0.030

17.0/20.0

4.0/5.0

13.5/17.5

N 0.10/0.20

S31753

-

317LN

0.030

0.75

2.00

0.045

0.030

18.0/20.0

3.0/4.0

11.0/15.0

N 0.10/0.20

S32100

30321

321

0.08

1.00

2.00

0.045

0.030

17.0/19.0

-

9.00/12.0 5

Ti 5 x C min

S34700

30347

347

0.08

1.00

2.00

0.045

0.030

17.0/19.0

-

9.00/13.0

Nb+Ta 10 x C min

S34720

-

347F

0.08

1.00

2.00

0.040

0.18/0.35

17.00/19.00

0.75

9.00/12.00

Nb 10xC / 1.10; Cu 0.75; Ta 0.05

S34723

-

347FSe

0.08

1.00

2.00

0.11/0.17

0.030

17.00/19.00

0.75

9.00/12.00

Nb 10xC / 1.10; Cu 0.75; Se 0.15/0.35; Ta 0.05

S34800

30348

348

0.08

0.75

2.00

0.045

0.030

17.0/19.0

-

9.00/13.0

Nb+Ta 10 x C / 1.00; Ta:0.10 max; Co 0.20

S38400

30384

384

0.08

1.00

2.00

0.045

0.030

15.0/17.0

-

17.0/19.0

-