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Chemical Composition 
CHEMICAL COMPOSITION

Standard 300 series austenitic grades

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

-

Standard 200 series austenitic grades

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

 

 

 

 

 

 

 

 

 

 

 

 

S20100

30201

201

0.15

1.00

5.50/7.50

0.060

0.030

16.0/18.0

-

3.50/5.50

N 0.25

S20103

-

-

0.03

0.75

5.5/7.5

0.045

0.030

16.0/18.0

-

3.5/5.5

N 0.25

S20153

-

-

0.03

0.75

6.4/7.5

0.045

0.015

16.0/17.5

-

4.0/5.0

N 0.10/0.25; Cu 1.00

S20161

-

Gall-Tough

0.15

3.0/4.0

4.0/6.0

0.040

0.040

15.0/18.0

-

4.0/6.0

N 0.08/0.20

S20162

-

-

0.15

2.5/4.5

4.0/8.0

0.040

0.040

16.5/21.0

0.05/0.25

6.0/10.0

N 0.05/0.25

S20200

30202

202

0.15

1.00

7.50/10.0

0.060

0.030

17.0/19.0

-

4.00/6.00

N 0.25

S20300

-

XM-1 (203EZ)

0.08

1.00

5.0/6.5

0.045

0.18/0.35

16.0/18.0

-

5.0/6.5

Cu 1.75/2.25

S20400

-

-

0.030

1.00

7.0/9.0

0.040

0.030

15.0/17.0

-

1.50/3.00

N 0.15/0.30

S20500

-

205

0.12/0.25

1.00

14.0/15.5

0.060

0.030

16.5/18.0

-

1.0/1.7

N 0.32/0.40

S20910

-

XM-19 (Nitronic 50)

0.06

0.75

4.0/6.0

0.040

0.030

20.5/23.5

1.50/3.00

11.5/13.5

Nb 0.10/0.30; V 0.10/0.30

S21400

-

XM-31 (Tenelon)

0.12

0.30/1.00

14.0/16.0

0.045

0.030

17.0/18.5

-

1.00

-

S21460

-

XM-14

0.12

0.75

14.0/16.0

0.060

0.030

17.0/19.0

-

5.0/6.0

N 0.35/0.50

S21600

-

XM-17 (216)

0.08

0.75

7.5/9.0

0.045

0.030

17.5/22.0

2.00/3.00

5.0/7.0

N 0.25/0.50

S21603

-

XM-18 (216L)

0.03

0.75

7.5/9.0

0.045

0.030

17.5/22.0

2.00/3.00

5.0/7.0

N 0.25/0.50

S21800

-

Nitronic 60

0.10

3.5/4.5

7.0/9.0

0.060

0.030

16.0/18.0

-

8.0/9.0

N 0.08/0.18

S21900

-

21-6-9 (Nitronic 40)

0.08

1.00

8.00/10.00

0.045

0.030

19.0/21.50

-

5.50/7.50

N 0.15/0.40

S21904

-

XM-11 (Nitronic 40)

0.04

1.00

8.00/10.00

0.045

0.030

19.00/21.50

-

5.50/7.50

N 0.15/0.40

S24000

-

XM-29 (Nitronic 33)

0.08

0.75

11.5/14.5

0.060

0.030

17.0/19.0

-

2.3/3.7

N 0.20/0.40

S24100

-

18-2Mn (Nitronic 32)

0.15

1.00

11.0/14.0

0.045

0.030

16.5/19.00

-

0.50/2.50

N 0.20/0.45

S28200

-

18-18 Plus

0.15

1.00

17.00/19.00

0.045

0.030

17.00/19.00

0.75/1.25

-

N 0.40/0.60; Cu 0.75/1.25

Special austenitic grades

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

N08020

-

20Cb-3

0.07

1.00

2.00

0.045

0.035

19.0/21.0

2.00/3.00

32.0/38.0

Cu 3.0/4.0; Nb 8xC / 1.00

N08024

-

20Mo-4

0.03

0.50

1.00

0.035

0.035

22.50/25.00

3.50/5.00

35.00/40.00

Cu 0.50/1.50; Nb+Ta 0.15/0.35

N08026

-

20Mo6

0.03

0.50

1.00

0.03

0.03

22.00/26.00

5.00/6.70

33.0/37.20

Cu 2.00/4.00; N 0.10/0.16

N08028

-

Sanicro28

0.030

1.0

2.50

0.030

0.030

26.0/28.0

3.0/4.0

30.0/34.0

Cu 0.6/1.4

N08366

-

AL-6X

0.035

1.00

2.00

0.040

0.030

20.00/22.00

6.00/7.00

23.50/25.50

-

N08367

-

AL-6XN

0.030

1.00

2.00

0.040

0.030

20.0/22.0

6.0/7.0

23.5/25.5

Cu 0.75; N 0.18/0.25

N08700

-

JS700

0.04

1.00

2.00

0.040

0.030

19.0/23.0

4.3/5.0

24.0/26.0

Cu 0.50; Nb 8xC / 0.40

N08904

-

904L

0.020

1.00

2.00

0.045

0.035

19.0/23.0

4.0/5.0

23.0/28.0

Cu 1.0/2.0

N08925

-

1925hMo

0.020

0.50

1.0

0.045

0.030

19.0/21.0

6.0/7.0

24.0/26.0

Cu 0.8/1.5; N 0.1/0.2

N08926

-

-

0.020

1.50

2.00

0.030

0.010

19.0/21.0

6.0/7.0

24.0/26.0

Cu 0.5/1.5; N 0.15/0.25

S30600

-

Cronifer 1815 LCSi

0.018

3.7/4.3

2.00

0.020

0.020

17.0/18.5

0.20

14.0/15.5

Cu 0.50

S30601

-

-

0.015

5.0/5.6

0.50/0.80

0.030

0.013

17.0/18.0

0.20

17.0/18.0

Cu 0.05; N 0.35

S31050

-

310MoLN

0.020

0.50

2.00

0.030

0.010

24.0/26.0

1.60/2.60

0.09/0.15

N 0.09/0.15

S31254

-

254SMO

0.020

0.80

1.00

0.030

0.010

19.5/20.5

6.0/6.5

17.5/18.5

Cu 0.50/1.00; N 0.18/0.22

S31266

-

-

0.030

1.00

2.0/4.0

0.035

0.020

23.0/25.0

5.2/6.2

21.0/24.0

Cu 1.00/2.50; N 0.35/0.60; W 1.50/2.50

S31277

-

-

0.020

0.50

3.00

0.030

0.010

20.5/23.0

6.5/8.0

26.0/28.0

Cu 0.5/1.50; N 0.30/0.40

S32050

-

-

0.030

1.00

1.50

0.035

0.020

22.0/24.0

6.0/6.8

20.0/23.0

Cu 0.40

S32615

-

-

0.07

4.8/6.0

2.00

0.045

0.030

16.5/19.5

0.30/1.50

19.0/22.0

Cu 1.50/2.50

S32654

-

654SMO

0.020

0.50

2.0/4.0

0.030

0.005

24.0/25.0

7.0/8.0

21.0/23.0

Cu 0.30/0.60; N 0.45/0.55

S34565

-

Nirosta 4565S

0.030

1.00

5.0/7.0

0.030

0.010

23.0/25.0

4.0/5.0

16.0/18.0

N 0.40/0.60; Nb 10x C / 1.00

S35135

-

-

0.08

0.60/1.00

1.00

0.045

0.015

20.0/25.0

4.0/4.8

30./38.0

Ti 0.40/1.00

S38100

-

XM-15 (18-18-2)

0.08

1.50/2.50

2.00

0.030

0.030

17.0/19.0

-

17.5/18.5

-

S38815

-

-

0.030

5.5/6.5

2.00

0.040

0.020

13.0/15.0

0.75/1.50

13.0/17.0

Cu 0.75/1.50; Al 0.30

Chemical compositions of AISI (ASTM/ASME) and UNS ferritic stainless steel grades

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

S18200

-

XM-34 (18-2FM)

0.08

1.00

2.50

0.04

0.15 min

17.5/19.5

1.50/2.50

-

-

S18235

-

-

0.025

1.00

0.50

0.030

0.15/0.35

17.5/18.5

2.00/2.50

1.00

N 0.025; (C+N) 0.035; Ti 0.30/1.00

S40300

51403

403

0.15

0.50

1.00

0.040

0.030

11.5/13.0

-

-

-

S40500

51405

405

0.08

1.00

1.00

0.040

0.030

11.5/14.5

-

-

Al 0.10./0.30

S40800

-

-

0.08

1.00

1.00

0.045

0.045

11.5/13.0

-

0.50

Ti 12xC/1.10

S40900

51409

409

0.08

1.00

1.00

0.045

0.045

10.5/11.75

-

0.50

Ti 6xC/0.75

S40910

-

-

0.030

1.00

1.00

0.040

0.020

10.5/11.7

-

0.50

N 0.030; Ti: 6x(C+N)/0.50; Nb 0.17

S40920

-

-

0.030

1.00

1.00

0.040

0.020

10.5/11.7

-

0.50

N 0.030; Ti 0.15/0.50; Nb 0.10

S40930

-

-

0.030

1.00

1.00

0.040

0.020

10.5/11.7

-

0.50

N 0.030; (Ti+Nb) [0.08+8x(C+N)]/0.75; Ti 0.05

S40945

-

-

0.030

1.00

1.00

0.040

0.030

10.5/11.7

-

0.50

N 0.030; Ti 0.05/0.20; Nb 0.18/0.40

S40975

-

-

0.030

1.00

1.00

0.040

0.030

10.5/11.7

-

0.50/1.00

N 0.030; Ti: 6x(C+N)/0.75

S40976

-

-

0.030

1.00

1.00

0.040

0.030

10.5/11.7

-

0.75/1.00

N 0.040; Nb 10x(C+N)-0.80

S40977

-

-

0.030

1.00

1.00

0.040

0.015

10.5/12.5

-

0.30/1.00

N 0.030

S41003

-

-

0.030

1.00

1.50

0.040

0.030

10.5/12.5

-

1.50

-

S41008

-

410S

0.08

1.00

1.00

0.040

0.030

11.5/13.5

-

-

-

S41045

-

-

0.030

1.00

1.00

0.040

0.030

12.0/13.0

-

0.50

N 0.030; Nb 9x(C+N)/0.60

S41050

-

-

0.04

1.00

1.00

0.040

0.030

10.5/12.5

-

0.60/1.10

N 0.10

S41500

-

-

0.05

0.60

0.50/1.00

0.030

0.030

11.5/14.0

0.50/1.00

3.5/5.5

-

S41603

-

-

0.08

1.00

1.25

006

0.15min

12.0/14.0

-

-

-

S42035

-

-

0.08

1.00

1.00

0.045

0.030

13.5/15.5

0.2/1.2

-

Ti 0.30/0.50

S43000

51430

430

0.12

1.00

1.00

0.040

0.030

16.0/18.0

-

-

-

S43020

51430F

430F

0.12

1.00

1.25

0.060

0.15 min

16.0/18.0

0.60

-

-

S43023

51430FSe

430FSe

0.12

1.00

1.25

0.060

0.060

16.0/18.0

-

-

Se 0.15

S43036

-

430Ti

0.10

1.00

1.00

0.040

0.030

16.00/19.50

-

0.75

Ti 5xC/0.75

S43400

51434

434

0.08

1.00

1.00

0.040

0.030

16.0/18.0

0.75/1.25

-

-

S43600

51436

436

0.08

1.00

1.00

0.040

0.030

16.0/18.0

0.75/1.25

-

Nb+Ta 5xC/0.70

S44200

51442

442

0.20

1.00

1.00

0.040

0.035

18.0/23.0

-

-

-

Special ferritic grades

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

S32803

-

Cronifer 2803Mo

0.015

0.55

0.50

0.020

0.0035

28.0/29.0

1.80/2.50

3.0/4.0

N 0.020; (C+N) 0.030; Nb 0.15/0.50

S43035

-

435

0.030

1.00

1.00

0.040

0.030

17.0/19.0

-

0.50

Ti [0.20+4(C+N)] / 1.10; Al 0.15

S43900

51439

439

0.07

1.00

1.00

0.040

0.030

17.0/19.0

-

0.50

Ti [0.20+4(C+N)] / 1.10; Al 0.15; N:0.04

S43903

51439LL

439LL

0.014

1.00

1.00

0.040

0.030

17.0/19.0

-

0.50

Ti [0.20+4(C+N)] / 1.10; Al 0.15; N:0.04

S43932

-

-

0.030

1.00

1.00

0.040

0.030

17.0/19.0

-

0.50

N 0.030; (Ti+Nb) [0.20+4(C+N)] / 0.75; Al 0.15

S43940

-

-

0.030

1.00

1.00

0.040

0.015

17.5/18.5

-

0.50

Ti 0.10/0.60; Nb [0.30+(3xC)] min

S44400

-

444 18Cr-2Mo

0.025

1.00

1.00

0.040

0.030

17.5/19.5

1.75/2.50

1.00

N 0.035; (Ti+Nb)[0.20+4(C+N)] / 0.80

S44500

-

-

0.020

1.00

1.00

0.040

0.012

19.0/21.0

-

0.60

N 0.03; Cu 0.30/0.60; Nb 10x(C+N) / 0.80

S44626

-

XM-33 (26-1Ti)

0.06

0.75

0.75

0.040

0.020

25.0/27.0

0.75/1.50

0.50

N 0.04; Cu 0.20; Ti 0.20/1.00

S44627

-

XM-27

0.010

0.40

0.40

0.020

0.020

25.0/27.0

0.75/1.50

0.50

N 0.015; Cu 0.20; Nb 0.05/0.20; (Ni+Cu) 0.50

S44635

-

Nu Monit (25-4-4)

0.025

0.75

1.00

0.040

0.030

24.5/26.0

3.5/4.5

3.5/4.5

N 0.035; (Ti+Nb){0.20+4(C+N)] / 0.80

S44660

-

Sea-cure (26-3-3)

0.030

1.00

1.00

0.040

0.030

25.0/28.0

3.0/4.0

1.0/3.5

N 0.040; (Ti+Nb)0.20 / 1.00; (Ti+Nb) [6x(C+N)] min

S44700

-

29-4

0.010

0.20

0.30

0.025

0.020

28.0/30.0

3.5/4.2

0.15

N 0.020; Cu 0.15; (C+N) 0.025

S44735

-

-

0.030

1.00

1.00

0.040

0.030

28.0/30.0

3.6/4.2

1.00

N 0.045; (Ti+Nb)0.20/1.00; (Ti+Nb) 6x (C+N) min

S44800

-

29-4-2

0.010

0.20

0.30

0.025

0.020

28.0/30.0

3.5/4.2

2.00/2.50

N 0.020; Cu 0.15; (C+N) 0.025

S46800

-

-

0.030

1.00

1.00

0.040

0.030

18.0/20.0

-

0.50

N 0.030; Ti 0.07/0.30; Nb 0.10/0.60; (Ti+Nb) [0.20+4(C+N)] / 0.80

Chemical compositions of AISI (ASTM/ASME) and UNS heat resisting stainless steel grades

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

S21500

-

Esshete 1250

0.06/0.15

0.20/1.0

5.50/7.0

0.045

0.030

14.0/16.0

0.80/1.20

9.00/11.0

B 0.003/0.009; Nb 0.75/1.25; V 0.15/0.40

S30409

-

304H

0.04/0.10

0.75

2.00

0.045

0.030

18.0/20.0

-

8.0/10.5

-

S30415

-

153MA

0.04/0.06

1.00/2.00

0.80

0.045

0.030

18.0/19.0

-

9.0/10.0

N 0.12/0.18; Ce 0.03/0.08

S30451

-

304N

0.08

0.75

2.00

0.045

0.030

18.0/20.0

-

8.0/10.5

N 0.10/0.16

S30452

-

304HN (XM-21)

0.08

0.75

2.00

0.045

0.030

18.0/20.0

-

8.0/10.5

N 0.16/0.30

S30615

-

RA85H

0.16/0.24

3.2/4.0

2.00

0.030

0.030

17.0/19.5

-

13.5/16.0

Al 0.80/1.50

S30815

-

253MA

0.05/0.10

1.40/2.00

0.80

0.040

0.030

20.0/22.0

-

10.0/12.0

N 0.14/0.20; Ce 0.03/0.08

S30900

30309

309

0.20

1.00

2.00

0.045

0.030

22.0/24.0

-

12.0/15.0

-

S30908

30309S

309S

0.08

0.75

2.00

0.045

0.030

22.0/24.0

-

12.0/15.0

-

S30909

-

309H

0.04/0.10

0.75

2.00

0.045

0.030

22.0/24.0

-

12.0/15.0

-

S30940

-

309Cb

0.08

0.75

2.00

0.045

0.030

22.0/24.0

-

12.0/16.0

Nb 10xC / 1.10

S30941

-

309HCb

0.04/0.10

0.75

2.00

0.045

0.030

22.0/24.0

-

12.0/16.0

Nb 10xC / 1.10

S31000

30310

310

0.25

1.50

2.00

0.045

0.030

24.0/26.0

-

19.0/22.0

-

S31008

30310S

310S

0.08

1.50

2.00

0.045

0.030

24.0/26.0

-

19.0/22.0

-

S31009

-

310H

0.04/0.10

0.75

2.00

0.045

0.030

24.0/26.0

-

19.0/22.0

-

S31040

-

310Cb

0.08

1.50

2.00

0.045

0.030

24.0/26.0

-

19.0/22.0

Nb 10xC / 1.10

S31041

-

310HCb

0.04/0.10

0.75

2.00

0.045

0.030

24.0/26.0

-

19.0/22.0

Nb 10xC / 1.10

S31400

30314

314

0.25

1.50/3.00

2.00

0.045

0.030

23.0/26.0

-

19.0/22.0

-

S31609

-

316H

0.04/0.10

0.75

2.00

0.045

0.030

16.0/18.0

2.00/3.00

10.0/14.0

-

S31651

-

316N

0.08

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

S32109

-

321H

0.04/0.10

0.75

2.00

0.045

0.030

17.0/19.0

-

9.0/12.0

Ti 4x(C+N) / 0.70

S33228

-

-

0.04/0.08

0.30

1.00

0.020

0.015

26.0/28.0

-

31.0/33.0

Al 0.025;Ce 0.05/0.10; Nb 0.6/1.0

S33400

-

334

0.08

1.00

1.00

0.030

0.015

18.0/22.0

-

19.0/21.0

Al 0.15/0.60; Ti 0.15/0.60

S34709

-

347H

0.04/0.10

0.75

2.00

0.045

0.030

17.0/19.0

-

9.0/13.0

Nb 8xC /1.00

S34800

-

348

0.08

0.75

2.00

0.045

0.030

17.0/19.0

-

9.0/13.0

Nb+Ta 10xC / 1.00; Ta 0.10; Co 0.20

S34809

-

348H

0.04/0.10

0.75

2.00

0.045

0.030

17.0/19.0

-

9.0/13.0

Nb+Ta 10xC /1.00; Ta 0.10; Co 0.20

S35045

-

-

0.06/0.10

1.00

1.50

0.045

0.015

25.0/29.0

-

32.0/37.0

Al 0.15/0.60; Ti 0.15/0.60

S35315

-

353MA

0.04/0.08

1.20/2.00

2.00

0.040

0.030

24.0/26.0

-

34.0/36.0

N 0.12/0.18; Ce 0.03/0.10

S41041

-

-

0.13/0.18

0.50

0.40/0.60

0.030

0.030

11.50/13.00

0.20

0.50

Al 0.05; Nb 0.15

S41425

-

-

0.05

0.50

0.50/1.00

0.020

0.005

12.0/15.0

1.50/2.00

4.0/7.0

N 0.06/0.12; Cu 0.30

S41800

-

Greek Ascoloy (615)

0.15/0.20

0.50

0.50

0.040

0.030

12.00/14.00

0.50

1.80/2.20

W 2.50/3.50

S42200

-

616

0.20/0.25

0.50

0.50/1.00

0.025

0.025

11.00/12.50

0.90/1.25

0.50/1.00

V 0.20/0.30; W 0.90/1.25

S42300

-

Lapelloy (619)

0.27/0.32

0.50

0.95/1.35

0.025

0.025

11.00/12.00

2.50/3.00

0.50

V 0.20/0.30

S44300

-

MT443

0.20

1.00

1.00

0.040

0.030

18.0/23.0

-

0.50

Cu 0.90/1.25

S44600

51446

446

0.20

1.00

1.50

0.040

0.030

23.0/27.0

-

-

N 0.25

S64152

-

XM-32

0.08/0.15

0.35

0.50/0.90

0.025

0.025

11.00/12.50

1.50/2.00

2.00/3.00

N 0.01/0.05; V 0.25/0.40

N08800

-

800 (332)

0.10

1.00

1.50

0.045

0.015

19.0/23.0

-

30.0/35.0

Fe 39.5 min; Al 0.15/0.60; Ti 0.15/0.60

N08810

-

800H

0.05/0.10

1.00

1.50

0.045

0.015

19.0/23.0

30.0/35.0

30.0/35.0

Cu 0.75; Fe 39.5 min; Al 0.15/0.60; Ti 0.15/0.60

N08811

-

-

0.06/0.10

1.00

1.50

0.040

0.015

19.0/23.0

-

30.0/35.0

Cu 0.75; Fe 39.5 min; Al 0.15/0.60; Ti 0.15/0.60

Chemical compositions of AISI (ASTM/ASME) and UNS martensitic and precipitation hardening stainless steel grades

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

S13800

-

XM-13 PH13-8Mo

0.05

0.10

0.20

0.010

0.008

12.25/13.25

2.00/2.50

7.50/8.50

N 0.01; Al 0.90/1.35

S15500

-

XM-12 15-5PH

0.07

1.00

1.00

0.040

0.030

14.0/15.5

-

3.50/5.50

Cu 2.5/4.5; Nb 0.15/0.45

S15700

-

632 15-7PH

0.09

1.00

1.00

0.040

0.030

14.00/16.00

2.00/3.00

6.50/7.25

Al 0.75/1.50

S17400

-

630 17-4PH

0.07

1.00

1.00

0.040

0.030

15.5/17.5

-

3.00/5.00

Cu 3.00/5.00; Al 0.15/0.45

S17600

-

635

0.08

1.00

1.00

0.040

0.030

16.00/17.50

-

6.00/7.50

Al 0.40; Ti 0.40/1.20

S17700

-

631 17-7PH

0.09

1.00

1.00

0.040

0.040

16.00/18.00

-

6.50/7.75

Al 0.75/1.50

S35000

-

633

0.07/0.11

0.50

0.50/1.25

0.040

0.030

16.00/17.00

2.50/3.25

4.00/5.00

N 0.07/0.13

S35500

-

634

0.10/0.15

0.50

0.50/1.25

0.040

0.030

15.00/16.00

2.50/3.25

4.00/5.00

N 0.07/0.13

S41000

51410

410

0.15

1.00

1.00

0.040

0.030

11.5/13.5

-

-

-

S41040

-

XM-30

0.18

1.00

1.00

0.040

0.030

11.0/13.0

-

-

Nb 0.05/0.30

S41400

51414

414

0.15

1.00

1.00

0.040

0.030

11.5/13.5

-

1.25/2.50

-

S41500

-

-

0.05

0.60

0.50/1.00

0.030

0.030

11.5/14.0

0.50/1.00

3.5/5.5

-

S41600

51416

416

0.15

1.00

1.25

0.060

0.15 min

12.0/14.0

0.60

-

Zr 0.60

S41610

-

XM-6 (416 Plus X)

0.15

1.00

1.50/2.50

0.06

0.15 min

12.0/14.0

-

-

-

S41623

51416Se

416Se

0.15

1.00

1.25

0.060

0.060

12.0/14.0

-

-

Se 0.15 min

S42000

51420

420

0.15 min

1.00

1.00

0.040

0.030

12.0/14.0

-

-

-

S42010

-

Trim Rite

0.15/0.30

1.00

1.00

0.040

0.030

13.5/15.00

0.40/0.85

0.35/0.85

-

S42020

51420F

420F

0.15 min

1.00

1.25

0.060

0.15 min

12.0/14.0

0.60

-

-

S42023

51420FSe

420FSe

0.30/0.40

1.00

1.25

0.060

0.060

12.0/14.0

-

-

Se 0.15 min

S42900

51429

429

0.12

1.00

1.00

0.040

0.030

14.0/16.0

-

-

-

S43100

51431

431

0.20

1.00

1.00

0.040

0.030

15.0/17.0

-

1.25/2.50

-

S44002

51440A

440A

0.60/0.75

1.00

1.00

0.040

0.030

16.0/18.0

0.75

-

-

S44003

51440B

440B

0.75/0.95

1.00

1.00

0.040

0.030

16.0/18.0

0,75

-

-

S44004

51440C

440C

0.95/1.20

1.00

1.00

0.040

0.030

16.0/18.0

0.75

-

-

S44020

51440F

440F

0.95/1.20

1.00

1.25

0.060

0.15 min

16.0/18.0

0.75

-

Zr 0.75

S44023

51440FSe

440FSe

0.95/1.20

1.00

1.25

0.060

0.060

16.0/18.0

-

-

Se 0.15 min

S45000

-

XM-25 Custom 450

0.05

1.00

1.00

0.030

0.030

14.00/16.00

0.50/1.00

5.00/7.00

Cu 1.25/1.75; Nb 8xC min

S45500

-

XM-16 Custom 455

0.05

0.50

0.50

0.040

0.030

11.00/12.50

0.50

7.50/9.50

Cu 1.50/2.50; Nb 0.10/0.50

S45503

-

-

0.010

0.20

0.50

0.010

0.010

11.00/12.50

0.50

7.50/9.50

Cu 1.50/2.50; Ti 1.00/1.35

S46500

-

-

0.02

0.25

0.25

0.015

0.010

11.00/12.50

0.75/1.25

10.75/11.25

Mo 0.75/1.25; Ti 1.50/1.80

S66286

-

A286

0.08

1.00

2.00

0.040

0.030

13.50/16.00

1.00/1.50

24.0/27.0

Al 0.35; B 0.0010/0.010; Ti 1.90/2.35; V 0.10/0.50


Contact Us
Company Name :
Unisteels & Engineering Co. (P) Ltd.
Company Address :
52/52A, Islampura Street, Near Alankar
Cinema, Mumbai-400004, India
Phone :
91-22-2380 6452 / 6659 5316 / 6743 6950
Fax :
91-22-2386 4507
Contact Person :
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Mobile :
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  info@unisteels.in


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