Chemical Composition CHEMICAL COMPOSITION Standard 300 series austenitic grades Designation Chemical composition % by mass max unless stated UNS No
SAE No
AISI No / Comm C on Name
S301 00
30301
301
S301 03
-
301L
S301 53
Si
Mn
P
S
Cr
0.15 1.00
2.00
0.045
0.030
16.0/18.0 -
6.00/8.0 N 0.10 0
0.03 1.00
2.00
0.045
0.030
16.0/18.0 -
6.00/8.0 N 0.20 0
-
301LN 0.03 1.00
2.00
0.045
0.030
16.0/18.0 -
N 6.00/8.0 0.07/0.2 0 0
S302 00
30302
302
0.15 0.75
2.00
0.045
0.030
17.0/19.0 -
8.00/10. 0
S302 15
30302 B
302B
0.15
2.00/3. 2.00 00
0.045
0.030
17.0/19.0 -
8.00/10. 0
S303 00
30303
303
0.15 1.00
0.20
0.15 min
17.0/19.0 0.60
8.00/10. Zr 0.60 0
S303 10
-
XM-5 (303Pl 0.15 1.00 us x)
2.50/4. 0.20 50
0.25 min
17.00/19. 00
7.00/9.0 0
S303 23
30303 Se
303Se 0.15 1.00
2.00
0.20
0.060
17.0/19.0 -
8.00/10. Se 0.15 0 min
17.00/19. 00
Cu 6.00/10. 2.5/4.00 00 ; Se 0.10
2.00
Mo
Ni
Others
S303 30
-
303Cu 0.15 1.00
2.00
0.15
0.10 min
S304 00
30304
304
0.08 0.75
2.00
0.045
0.030
18.0/20.0 -
8.00/10. 5
S304 03
30304L 304L
0.03 0.75
2.00
0.045
0.030
18.0/20.0 -
8.00/12. 0
S304 30
-
302HQ 0.03 1.00
2.00
0.045
0.030
17.0/19.0 -
8.0/10.0
S304 52
-
XM-21 (304H 0.08 1.00 N)
2.00
0.045
0.030
18.0/20.0 -
N 8.00/10. 0.16/0.3 00 0
S304 53
-
304LN
0.03 0.75 0
2.00
0.045
0.030
18.0/20.0 -
N 8.00/12. 0.10/0.1 0 6
S304 54
-
-
0.03 1.00
2.00
0.045
0.030
18.0/20.0 -
N 8.0/11.0 0.16/0.3 0
S305
30305
305
0.12 1.00
2.00
0.045
0.030
17.0/19.0 -
10.5/13. -
Cu 3.0/4.0
00
0
S308 00
30308
308
0.08 1.00
2.00
0.045
0.030
19.0/21.0 -
S316 00
30316
316
0.08 1.00
2.00
0.045
0.030
16.0/18.0
2.00/3. 10.0/14. 00 0
S316 03
30316L 316L
0.03 1.00
2.00
0.045
0.030
16.0/18.0
2.00/3. 10.0/14. 00 0
S316 35
-
316Ti
0.08 0.75
2.00
0.045
0.030
16.0/18.0
Ti 5x 2.00/3. 10.0/14. (C+N) / 00 0 0.70
S316 40
-
316Cb 0.08 0.75
2.00
0.045
0.030
16.0/18.0
2.00/3. 10.0/14. Nb 10x 00 0 C / 1.10
S316 53
-
316LN 0.03 0.75
2.00
0.045
0.030
16.0/18.0
N 2.00/3. 10.0/14. 0.10/0.1 00 0 6
S317 00
30317
317
0.08 1.00
2.00
0.045
0.030
18.0/20.0
3.00/4. 11.0/15. 00 0
S317 03
-
317L
0.03 0.75 0
2.00
0.045
0.030
18.0/20.0
3.00/4. 11.0/15. N 0.10 00 0
S317 25
-
317LM
0.03 0.75 0
2.00
0.045
0.030
18.0/20.0 4.0/5.0
13.5/17. N 0.20 5
S317 26
-
317LM 0.03 0.75 N 0
2.00
0.045
0.030
17.0/20.0 4.0/5.0
N 13.5/17. 0.10/0.2 5 0
S317 53
-
317LN
0.03 0.75 0
2.00
0.045
0.030
18.0/20.0 3.0/4.0
N 11.0/15. 0.10/0.2 0 0
S321 00
30321
321
0.08 1.00
2.00
0.045
0.030
17.0/19.0 -
9.00/12. Ti 5 x C 05 min
S347 00
30347
347
0.08 1.00
2.00
0.045
0.030
17.0/19.0 -
Nb+Ta 9.00/13. 10 x C 0 min
S347 20
-
347F
0.08 1.00
2.00
0.040
0.18/0. 17.00/19. 0.75 35 00
10.0/12. 0
Nb 10xC / 9.00/12. 1.10; 00 Cu 0.75; Ta 0.05
S347 23
-
347FS 0.08 1.00 e
2.00
0.11/0. 0.030 17
17.00/19. 0.75 00
Nb 10xC / 1.10; Cu 9.00/12. 0.75; 00 Se 0.15/0.3 5; Ta 0.05
S348 00
30348
348
2.00
0.045
17.0/19.0 -
9.00/13. Nb+Ta 0 10 x C /
0.08 0.75
0.030
1.00; Ta:0.10 max; Co 0.20 S384 00
30384
384
0.08 1.00
2.00
0.045
0.030
17.0/19. 0
15.0/17.0 -
Standard 200 series austenitic grades Designation UNS No
Chemical composition % by mass max unless stated
AISI No SAE / C No Commo n Name
Si
Mn
P
S
Cr
Mo
Ni
Others
S2010 3020 201 0 1
0.15
1.00
5.50/7.50
0.06 0.030 0
16.0/18.0 -
3.50/5. N 0.25 50
S2010 3
0.03
0.75
5.5/7.5
0.04 0.030 5
16.0/18.0 -
3.5/5.5 N 0.25
16.0/17.5 -
N 0.10/0.2 4.0/5.0 5; Cu 1.00 N 4.0/6.0 0.08/0.2 0
-
S2015 3
-
0.03
0.75
6.4/7.5
0.04 0.015 5
S2016 1
GallTough
0.15
3.0/4.0 4.0/6.0
0.04 0.040 0
15.0/18.0 -
S2016 2
-
0.15
2.5/4.5 4.0/8.0
0.04 0.040 0
16.5/21.0
0.15
1.00
7.50/10.0
0.06 0.030 0
17.0/19.0 -
S2030 0
XM-1 0.08 (203EZ)
1.00
5.0/6.5
0.04 0.18/0. 16.0/18.0 5 35
Cu 5.0/6.5 1.75/2.2 5
S2040 0
-
0.030
1.00
7.0/9.0
0.04 0.030 0
15.0/17.0 -
N 1.50/3. 0.15/0.3 00 0
S2050 0
205
0.12/0. 1.00 25
14.0/15.5
0.06 0.030 0
16.5/18.0 -
N 1.0/1.7 0.32/0.4 0
S2091 0
XM-19 (Nitroni 0.06 c 50)
0.75
0.04 0.030 0
Nb 0.10/0.3 1.50/3. 11.5/13 20.5/23.5 0; V 00 .5 0.10/0.3 0
S2140 0
XM-31 (Tenelo 0.12 n)
0.30/1. 0.04 14.0/16.0 0.030 00 5
S2020 3020 202 0 2
4.0/6.0
N 0.05/0. 6.0/10. 0.05/0.2 25 0 5
17.0/18.5 -
4.00/6. N 0.25 00
1.00
-
N 5.0/6.0 0.35/0.5 0
S2146 0
XM-14
0.12
0.75
14.0/16.0
0.06 0.030 0
17.0/19.0 -
S2160 0
XM-17 (216)
0.08
0.75
7.5/9.0
0.04 0.030 5
17.5/22.0
N 2.00/3. 5.0/7.0 0.25/0.5 00 0
S2160 3
XM-18 (216L)
0.03
0.75
7.5/9.0
0.04 0.030 5
17.5/22.0
N 2.00/3. 5.0/7.0 0.25/0.5 00 0
S2180 0
Nitronic 0.10 60
3.5/4.5 7.0/9.0
0.06 0.030 0
16.0/18.0 -
N 8.0/9.0 0.08/0.1 8
S2190 0
21-6-9 (Nitroni 0.08 c 40)
1.00
8.00/10.0 0.04 0.030 0 5
19.0/21.5 0
N 5.50/7. 0.15/0.4 50 0
S2190 4
XM-11 (Nitroni 0.04 c 40)
1.00
8.00/10.0 0.04 0.030 0 5
19.00/21. 50
N 5.50/7. 0.15/0.4 50 0
S2400 0
XM-29 (Nitroni 0.08 c 33)
0.75
11.5/14.5
0.06 0.030 0
17.0/19.0 -
N 2.3/3.7 0.20/0.4 0
S2410 0
18-2Mn (Nitroni 0.15 c 32)
1.00
11.0/14.0
0.04 0.030 5
16.5/19.0 0
N 0.50/2. 0.20/0.4 50 5
S2820 0
18-18 Plus
0.15
1.00
17.00/19. 0.04 0.030 00 5
17.00/19. 0.75/1. 00 25
N 0.40/0.6 0; Cu 0.75/1.2 5
Special austenitic grades Designation UNS No
Chemical composition % by mass max unless stated
SA AISI No / E Common C No Name
N0802 0
20Cb-3
Si
0.07 1.00
Mn
P
S
Cr
2.00
0.04 0.03 19.0/21.0 5 5
Mo
Ni
2.00/3.0 32.0/38.0 0
Others Cu 3.0/4.0; Nb 8xC / 1.00
N0802 4
20Mo-4
0.03 0.50
1.00
Cu 0.50/1.5 0.03 0.03 22.50/25.0 3.50/5.0 35.00/40.0 0; 5 5 0 0 0 Nb+Ta 0.15/0.3 5
N0802 6
20Mo6
0.03 0.50
1.00
0.03 0.03
Cu 22.00/26.0 5.00/6.7 33.0/37.20 2.00/4.0 0 0 0; N
0.10/0.1 6 N0802 8
Sanicro2 0.03 1.0 8 0
2.50
0.03 0.03 26.0/28.0 0 0
N0836 6
AL-6X
0.03 1.00 5
2.00
0.04 0.03 20.00/22.0 6.00/7.0 23.50/25.5 0 0 0 0 0
N0836 7
AL-6XN
0.03 1.00 0
2.00
0.04 0.03 20.0/22.0 0 0
6.0/7.0
23.5/25.5
Cu 0.75; N 0.18/0.2 5
N0870 0
JS700
0.04 1.00
2.00
0.04 0.03 19.0/23.0 0 0
4.3/5.0
24.0/26.0
Cu 0.50; Nb 8xC / 0.40
N0890 4
904L
0.02 1.00 0
2.00
0.04 0.03 19.0/23.0 5 5
4.0/5.0
23.0/28.0
Cu 1.0/2.0
N0892 5
1925hM 0.02 0.50 o 0
1.0
0.04 0.03 19.0/21.0 5 0
6.0/7.0
24.0/26.0
Cu 0.8/1.5; N 0.1/0.2
3.0/4.0
30.0/34.0
Cu 0.6/1.4
N0892 6
-
0.02 1.50 0
2.00
0.03 0.01 19.0/21.0 0 0
6.0/7.0
24.0/26.0
Cu 0.5/1.5; N 0.15/0.2 5
S3060 0
Cronifer 1815 LCSi
0.01 3.7/4.3 8
2.00
0.02 0.02 17.0/18.5 0 0
0.20
14.0/15.5
Cu 0.50
S3060 1
-
0.01 5.0/5.6 5
0.50/0.8 0.03 0.01 17.0/18.0 0 0 3
0.20
17.0/18.0
Cu 0.05; N 0.35
S3105 0
310MoL 0.02 0.50 N 0
1.60/2.6 0.09/0.15 0
N 0.09/0.1 5
6.0/6.5
17.5/18.5
Cu 0.50/1.0 0; N 0.18/0.2 2
21.0/24.0
Cu 1.00/2.5 0; N 0.35/0.6 0; W 1.50/2.5 0
S3125 4
S3126 6
254SMO
-
0.02 0.80 0
0.03 1.00 0
2.00
1.00
2.0/4.0
0.03 0.01 24.0/26.0 0 0
0.03 0.01 19.5/20.5 0 0
0.03 0.02 23.0/25.0 5 0
5.2/6.2
S3127 7
-
0.02 0.50 0
3.00
0.03 0.01 20.5/23.0 0 0
6.5/8.0
26.0/28.0
Cu 0.5/1.50; N 0.30/0.4 0
S3205 -
-
0.03 1.00
1.50
0.03 0.02 22.0/24.0
6.0/6.8
20.0/23.0
Cu 0.40
0
0
S3261 5
S3265 4
-
5
0.07 4.8/6.0
654SMO
0.02 0.50 0
0.04 0.03 16.5/19.5 5 0
2.00
2.0/4.0
0.03 0.00 24.0/25.0 0 5
0.30/1.5 19.0/22.0 0
Cu 1.50/2.5 0
7.0/8.0
21.0/23.0
Cu 0.30/0.6 0; N 0.45/0.5 5
0.03 0.01 23.0/25.0 0 0
4.0/5.0
16.0/18.0
N 0.40/0.6 0; Nb 10x C / 1.00
0.60/1.0 1.00 0
0.04 0.01 20.0/25.0 5 5
4.0/4.8
30./38.0
Ti 0.40/1.0 0
XM-15 1.50/2.5 0.08 2.00 (18-18-2) 0
0.03 0.03 17.0/19.0 0 0
-
17.5/18.5
-
0.04 0.02 13.0/15.0 0 0
0.75/1.5 13.0/17.0 0
S3456 5
Nirosta 4565S
0.03 1.00 0
S3513 5
-
0.08
S3810 0 S3881 5
0
5.0/7.0
0.03 5.5/6.5 0
-
2.00
Cu 0.75/1.5 0; Al 0.30
Chemical compositions of AISI (ASTM/ASME) and UNS ferritic stainless steel grades Designation UNS No
Chemical composition % by mass max unless stated
AISI No / SAE No Comm C on Name
Si
Mn
S182 00
XM-34 1.0 (180.08 2.50 0 2FM)
S182 35
-
0.02 1.0 0.50 5 0
S403 51403 00
403
0.15
S405 51405 00
405
S408 00
P
S
Cr
Mo
Ni
0.04
0.15 min
17.5/19.5
1.50/2. 50
Others
-
0.03 0.15/0. 2.00/2. 17.5/18.5 1.00 0 35 50
N 0.025; (C+N) 0.035; Ti 0.30/1.00
0.5 1.00 0
0.04 0.030 0
11.5/13.0 -
-
-
0.08
1.0 1.00 0
0.04 0.030 0
11.5/14.5 -
-
Al 0.10./0.30
-
0.08
1.0 1.00 0
0.04 0.045 5
11.5/13.0 -
0.50
Ti 12xC/1.10
S409 51409 00
409
0.08
1.0 1.00 0
0.04 0.045 5
10.5/11.7 5
0.50
Ti 6xC/0.75
S409 10
-
0.03 1.0 1.00 0 0
0.04 0.020 0
10.5/11.7 -
0.50
N 0.030; Ti: 6x(C+N)/0.50;
Nb 0.17 S409 20
-
0.03 1.0 1.00 0 0
0.04 0.020 0
10.5/11.7 -
0.50
N 0.030; Ti 0.15/0.50; Nb 0.10
S409 30
-
0.03 1.0 1.00 0 0
0.04 0.020 0
10.5/11.7 -
0.50
N 0.030; (Ti+Nb) [0.08+8x(C+N)]/ 0.75; Ti 0.05
S409 45
-
0.03 1.0 1.00 0 0
0.04 0.030 0
10.5/11.7 -
0.50
N 0.030; Ti 0.05/0.20; Nb 0.18/0.40
S409 75
-
0.03 1.0 1.00 0 0
0.04 0.030 0
10.5/11.7 -
0.50/1. N 0.030; Ti: 00 6x(C+N)/0.75
S409 76
-
0.03 1.0 1.00 0 0
0.04 0.030 0
10.5/11.7 -
0.75/1. N 0.040; Nb 00 10x(C+N)-0.80
S409 77
-
0.03 1.0 1.00 0 0
0.04 0.015 0
10.5/12.5 -
0.30/1. N 0.030 00
S410 03
-
0.03 1.0 1.50 0 0
0.04 0.030 0
10.5/12.5 -
1.50
-
S410 08
410S
0.08
1.0 1.00 0
0.04 0.030 0
11.5/13.5 -
-
-
S410 45
-
0.03 1.0 1.00 0 0
0.04 0.030 0
12.0/13.0 -
0.50
N 0.030; Nb 9x(C+N)/0.60
S410 50
-
0.04
1.0 1.00 0
0.04 0.030 0
10.5/12.5 -
0.60/1. N 0.10 10
S415 00
-
0.05
0.6 0.50/1. 0.03 0.030 0 00 0
S416 03
-
0.08
1.0 1.25 0
006
S420 35
-
0.08
1.0 1.00 0
0.04 0.030 5
13.5/15.5 0.2/1.2 -
Ti 0.30/0.50
S430 51430 00
430
0.12
1.0 1.00 0
0.04 0.030 0
16.0/18.0 -
-
-
0.12
1.0 1.25 0
0.06 0.15 0 min
16.0/18.0 0.60
-
-
S430 51430F 430FS 1.0 0.12 1.25 23 Se e 0
0.06 0.060 0
16.0/18.0 -
-
Se 0.15
S430 36
430Ti
0.10
1.0 1.00 0
0.04 0.030 0
16.00/19. 50
0.75
Ti 5xC/0.75
S434 51434 00
434
0.08
1.0 1.00 0
0.04 0.030 0
16.0/18.0
0.75/1. 25
-
S436 51436 00
436
0.08
1.0 1.00 0
0.04 0.030 0
16.0/18.0
0.75/1. 25
Nb+Ta 5xC/0.70
S442 51442 00
442
0.20
1.0 1.00 0
0.04 0.035 0
18.0/23.0 -
S430 51430F 430F 20
Special ferritic grades
11.5/14.0
0.50/1. 3.5/5.5 00
0.15mi 12.0/14.0 n
-
-
-
-
Designation UNS No
SAE No
Chemical composition % by mass max unless stated
AISI No / C Commo n Name
Si
Mn P
S
Cr
Mo
Ni
Others
S3280 3
Cronifer 0.01 0.5 0.5 0.02 0.003 28.0/29. 1.80/2.5 3.0/4.0 2803Mo 5 5 0 0 5 0 0
S4303 5
435
0.03 1.0 1.0 0.04 17.0/19. 0.030 0 0 0 0 0
0.50
Ti [0.20+4(C+N)] / 1.10; Al 0.15
S4390 51439 0
439
0.07
1.0 1.0 0.04 17.0/19. 0.030 0 0 0 0
0.50
Ti [0.20+4(C+N)] / 1.10; Al 0.15; N:0.04
S4390 51439L 439LL 3 L
0.01 1.0 1.0 0.04 17.0/19. 0.030 4 0 0 0 0
0.50
Ti [0.20+4(C+N)] / 1.10; Al 0.15; N:0.04
S4393 2
-
0.03 1.0 1.0 0.04 17.0/19. 0.030 0 0 0 0 0
0.50
N 0.030; (Ti+Nb) [0.20+4(C+N)] / 0.75; Al 0.15
S4394 0
-
0.03 1.0 1.0 0.04 17.5/18. 0.015 0 0 0 0 5
0.50
Ti 0.10/0.60; Nb [0.30+(3xC)] min
S4440 0
444 18Cr2Mo
0.02 1.0 1.0 0.04 17.5/19. 1.75/2.5 0.030 1.00 5 0 0 0 5 0
N 0.035; (Ti+Nb)[0.20+4(C+ N)] / 0.80
S4450 0
-
0.02 1.0 1.0 0.04 19.0/21. 0.012 0 0 0 0 0
N 0.03; Cu 0.30/0.60; Nb 10x(C+N) / 0.80
S4462 6
XM-33 0.7 0.7 0.04 25.0/27. 0.75/1.5 0.06 0.020 0.50 (26-1Ti) 5 5 0 0 0
S4462 7
XM-27
S4463 5
Nu 0.02 0.7 1.0 0.04 24.5/26. Monit 0.030 3.5/4.5 5 5 0 0 0 (25-4-4)
S4466 0
Sea0.03 1.0 1.0 0.04 25.0/28. cure 0.030 3.0/4.0 0 0 0 0 0 (26-3-3)
S4470 0
29-4
0.01 0.2 0.3 0.02 28.0/30. 0.020 3.5/4.2 0 0 0 5 0
S4473 5
0.60
0.01 0.4 0.4 0.02 25.0/27. 0.75/1.5 0.020 0.50 0 0 0 0 0 0
N 0.020; (C+N) 0.030; Nb 0.15/0.50
N 0.04; Cu 0.20; Ti 0.20/1.00 N 0.015; Cu 0.20; Nb 0.05/0.20; (Ni+Cu) 0.50
3.5/4.5
N 0.035; (Ti+Nb){0.20+4(C+ N)] / 0.80
1.0/3.5
N 0.040; (Ti+Nb)0.20 / 1.00; (Ti+Nb) [6x(C+N)] min
0.15
N 0.020; Cu 0.15; (C+N) 0.025
-
0.03 1.0 1.0 0.04 28.0/30. 0.030 3.6/4.2 0 0 0 0 0
1.00
N 0.045; (Ti+Nb)0.20/1.00; (Ti+Nb) 6x (C+N) min
S4480 0
29-4-2
0.01 0.2 0.3 0.02 28.0/30. 0.020 3.5/4.2 0 0 0 5 0
2.00/2.5 N 0.020; Cu 0.15; 0 (C+N) 0.025
S4680 0
-
0.03 1.0 1.0 0.04 18.0/20. 0.030 0 0 0 0 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
AISI No / C Commo n Name
Si
S2150 0
Esshet 0.06/0. e 1250 15
B 0.003/0.00 0.04 0.03 0.80/1.2 9.00/11. 9; Nb 0.20/1.0 5.50/7.0 14.0/16.0 5 0 0 0 0.75/1.25; V 0.15/0.40
S3040 9
304H
S3041 5
UNS No
SAE No
0.04/0. 10
Mn
P
S
Cr
Mo
Ni
Others
2.00
0.04 0.03 18.0/20.0 5 0
8.0/10.5 -
0.04/0. 153MA 06
1.00/2.0 0.80 0
0.04 0.03 18.0/19.0 5 0
N 0.12/0.18; 9.0/10.0 Ce 0.03/0.08
S3045 1
304N
0.08
0.75
2.00
0.04 0.03 18.0/20.0 5 0
8.0/10.5
N 0.10/0.16
S3045 2
304HN (XM0.08 21)
0.75
2.00
0.04 0.03 18.0/20.0 5 0
8.0/10.5
N 0.16/0.30
S3061 5
RA85H
3.2/4.0
2.00
0.03 0.03 17.0/19.5 0 0
13.5/16. Al 0 0.80/1.50
S3081 5
0.05/0. 253MA 10
1.40/2.0 0.80 0
0.04 0.03 20.0/22.0 0 0
N 10.0/12. 0.14/0.20; 0 Ce 0.03/0.08
0.16/0. 24
0.75
S3090 30309 309 0
0.20
1.00
2.00
0.04 0.03 22.0/24.0 5 0
12.0/15. 0
S3090 30309 309S 8 S
0.08
0.75
2.00
0.04 0.03 22.0/24.0 5 0
12.0/15. 0
S3090 9
309H
0.04/0. 10
0.75
2.00
0.04 0.03 22.0/24.0 5 0
12.0/15. 0
S3094 0
309Cb
0.08
0.75
2.00
0.04 0.03 22.0/24.0 5 0
12.0/16. Nb 10xC / 0 1.10
S3094 1
309HC 0.04/0. b 10
0.75
2.00
0.04 0.03 22.0/24.0 5 0
12.0/16. Nb 10xC / 0 1.10
S3100 30310 310 0
0.25
1.50
2.00
0.04 0.03 24.0/26.0 5 0
19.0/22. 0
S3100 30310 310S 8 S
0.08
1.50
2.00
0.04 0.03 24.0/26.0 5 0
19.0/22. 0
S3100 9
310H
0.04/0. 10
0.75
2.00
0.04 0.03 24.0/26.0 5 0
19.0/22. 0
S3104 0
310Cb
0.08
1.50
2.00
0.04 0.03 24.0/26.0 5 0
19.0/22. Nb 10xC / 0 1.10
S3104 1
310HC 0.04/0. b 10
0.75
2.00
0.04 0.03 24.0/26.0 5 0
19.0/22. Nb 10xC / 0 1.10 19.0/22. 0
S3140 30314 314 0
0.25
1.50/3.0 2.00 0
0.04 0.03 23.0/26.0 5 0
S3160 9
316H
0.04/0. 10
0.75
2.00
0.04 0.03 2.00/3.0 10.0/14. 16.0/18.0 5 0 0 0
S3165 1
316N
0.08
0.75
2.00
0.04 0.03 2.00/3.0 10.0/14. N 16.0/18.0 5 0 0 0 0.10/0.16
S3210 9
321H
0.04/0. 10
0.75
2.00
0.04 0.03 17.0/19.0 5 0
Ti 9.0/12.0 4x(C+N) / 0.70
-
0.04/0. 08
1.00
0.02 0.01 26.0/28.0 0 5
Al 31.0/33. 0.025;Ce 0 0.05/0.10; Nb 0.6/1.0 Al 19.0/21. 0.15/0.60; 0 Ti 0.15/0.60
S3322 8
0.30
S3340 0
334
0.08
1.00
1.00
0.03 0.01 18.0/22.0 0 5
S3470 9
347H
0.04/0. 10
0.75
2.00
0.04 0.03 17.0/19.0 5 0
9.0/13.0
0.04 0.03 17.0/19.0 5 0
Nb+Ta 10xC / 9.0/13.0 1.00; Ta 0.10; Co 0.20
2.00
0.04 0.03 17.0/19.0 5 0
Nb+Ta 10xC 9.0/13.0 /1.00; Ta 0.10; Co 0.20
1.50
0.04 0.01 25.0/29.0 5 5
Al 32.0/37. 0.15/0.60; 0 Ti 0.15/0.60
1.20/2.0 2.00 0
0.04 0.03 24.0/26.0 0 0
N 34.0/36. 0.12/0.18; 0 Ce 0.03/0.10
S3480 0
S3480 9
348
0.08
0.75
2.00
348H
0.04/0. 10
S3504 5
-
0.06/0. 10
S3531 5
0.04/0. 353MA 08
S4104 1
-
0.13/0. 18
0.50
0.40/0.6 0.03 0.03 11.50/13. 0.20 0 0 0 00
S4142 5
-
0.05
0.50
0.50/1.0 0.02 0.00 1.50/2.0 12.0/15.0 4.0/7.0 0 0 5 0
S4180 -
Greek
0.15/0.
0.50
0.50
0.75
1.00
0.04 0.03 12.00/14. 0.50
0.50
Nb 8xC /1.00
Al 0.05; Nb 0.15 N 0.06/0.12; Cu 0.30
1.80/2.2 W
0
Ascoloy 20 (615)
0
0
00
0
2.50/3.50
S4220 0
616
0.20/0. 25
0.50
V 0.50/1.0 0.02 0.02 11.00/12. 0.90/1.2 0.50/1.0 0.20/0.30; 0 5 5 50 5 0 W 0.90/1.25
S4230 0
Lapello 0.27/0. y (619) 32
0.50
0.95/1.3 0.02 0.02 11.00/12. 2.50/3.0 0.50 5 5 5 00 0
S4430 0
MT443 0.20
1.00
1.00
0.04 0.03 18.0/23.0 0 0
0.50
Cu 0.90/1.25
1.00
1.50
0.04 0.03 23.0/27.0 0 0
-
N 0.25
0.35
N 0.50/0.9 0.02 0.02 11.00/12. 1.50/2.0 2.00/3.0 0.01/0.05; 0 5 5 50 0 0 V 0.25/0.40
1.00
Fe 39.5 min; Al 30.0/35. 0.15/0.60; 0 Ti 0.15/0.60
S4460 51446 446 0
0.20
S6415 2
0.08/0. 15
N0880 0
N0881 0
N0881 1
XM-32
800 (332)
800H
0.10
0.05/0. 10
0.06/0. 10
-
1.00
1.00
V 0.20/0.30
1.50
0.04 0.01 19.0/23.0 5 5
1.50
Cu 0.75; Fe 39.5 0.04 0.01 30.0/35. 30.0/35. min; Al 19.0/23.0 5 5 0 0 0.15/0.60; Ti 0.15/0.60
1.50
Cu 0.75; Fe 39.5 30.0/35. min; Al 0 0.15/0.60; Ti 0.15/0.60
0.04 0.01 19.0/23.0 0 5
Chemical compositions of AISI (ASTM/ASME) and UNS martensitic and precipitation hardening stainless steel grades designation UNS No
AISI No / SAE No Comm C on Name
Chemical composition % by mass max unless stated
Si
Mn
P
S
Cr
Mo
Ni
Others
S1380 0
XM-13 PH13- 0.05 8Mo
0.1 0.20 0
0.01 0.00 12.25/13. 2.00/2. N 0.01; Al 7.50/8.50 0 8 25 50 0.90/1.35
S1550 0
XM-12 0.07 15-5PH
1.0 1.00 0
0.04 0.03 14.0/15.5 0 0
Cu 2.5/4.5; 3.50/5.50 Nb 0.15/0.45
S1570 0
632 150.09 7PH
1.0 1.00 0
0.04 0.03 14.00/16. 2.00/3. Al 6.50/7.25 0 0 00 00 0.75/1.50
S1740 0
630 170.07 4PH
1.0 1.00 0
0.04 0.03 15.5/17.5 0 0
Cu 3.00/5.00; 3.00/5.00 Al 0.15/0.45
S1760 0
635
0.08
1.0 1.00 0
0.04 0.03 16.00/17. 0 0 50
6.00/7.50
Al 0.40; Ti 0.40/1.20
S1770 0
631 170.09 7PH
1.0 1.00 0
0.04 0.04 16.00/18. 0 0 00
6.50/7.75
Al 0.75/1.50
S3500 0
633
0.07/0. 0.5 0.50/1. 0.04 0.03 16.00/17. 2.50/3. 4.00/5.00 N 0.07/0.13 11 0 25 0 0 00 25
S3550 0
634
0.10/0. 0.5 0.50/1. 0.04 0.03 15.00/16. 2.50/3. 4.00/5.00 N 0.07/0.13 15 0 25 0 0 00 25
S4100 51410 0
410
0.15
1.0 1.00 0
0.04 0.03 11.5/13.5 0 0
-
-
S4104 0
XM-30 0.18
1.0 1.00 0
0.04 0.03 11.0/13.0 0 0
-
Nb 0.05/0.30
S4140 51414 0
414
0.15
1.0 1.00 0
0.04 0.03 11.5/13.5 0 0
1.25/2.50 -
S4150 0
-
0.05
0.6 0.50/1. 0.03 0.03 0.50/1. 11.5/14.0 3.5/5.5 0 00 0 0 00
-
S4160 51416 0
416
0.15
1.0 1.25 0
-
Zr 0.60
S4161 0
XM-6 (416 0.15 Plus X)
1.0 1.50/2. 0.15 0.06 12.0/14.0 0 50 min
-
-
0.06 0.15 12.0/14.0 0.60 0 min
S4162 51416S 416Se 3 e
0.15
1.0 1.25 0
0.06 0.06 12.0/14.0 0 0
-
Se 0.15 min
S4200 51420 0
420
0.15 min
1.0 1.00 0
0.04 0.03 12.0/14.0 0 0
-
-
S4201 0
Trim Rite
0.15/0. 1.0 1.00 30 0
0.04 0.03 13.5/15.0 0.40/0. 0.35/0.85 0 0 0 85
S4202 51420F 0
420F
0.15 min
0.06 0.15 12.0/14.0 0.60 0 min
-
-
S4202 51420F 3 Se
420FS 0.30/0. 1.0 1.25 e 40 0
0.06 0.06 12.0/14.0 0 0
-
Se 0.15 min
S4290 51429 0
429
0.12
1.0 1.00 0
0.04 0.03 14.0/16.0 0 0
-
-
S4310 51431 0
431
0.20
1.0 1.00 0
0.04 0.03 15.0/17.0 0 0
1.25/2.50 -
1.0 1.25 0
S4400 51440A 440A 2
0.60/0. 1.0 1.00 75 0
0.04 0.03 16.0/18.0 0.75 0 0
-
-
S4400 51440B 440B 3
0.75/0. 1.0 1.00 95 0
0.04 0.03 16.0/18.0 0,75 0 0
-
-
S4400 51440C 440C 4
0.95/1. 1.0 1.00 20 0
0.04 0.03 16.0/18.0 0.75 0 0
-
-
S4402 51440F 0
440F
S4402 51440F 3 Se
0.06 0.15 16.0/18.0 0.75 0 min
-
Zr 0.75
440FS 0.95/1. 1.0 1.25 e 20 0
0.06 0.06 16.0/18.0 0 0
-
Se 0.15 min
S4500 0
XM-25 Custom 0.05 450
1.0 1.00 0
Cu 0.03 0.03 14.00/16. 0.50/1. 5.00/7.00 1.25/1.75; 0 0 00 00 Nb 8xC min
S4550 0
XM-16 Custom 0.05 455
0.5 0.50 0
0.04 0.03 11.00/12. 0.50 0 0 50
Cu 1.50/2.50; 7.50/9.50 Nb 0.10/0.50
-
0.010
0.2 0.50 0
0.01 0.01 11.00/12. 0.50 0 0 50
Cu 1.50/2.50; 7.50/9.50 Ti 1.00/1.35
0.02
0.2 0.25 5
Mo 0.01 0.01 11.00/12. 0.75/1. 10.75/11. 0.75/1.25; 5 0 50 25 25 Ti 1.50/1.80
1.0 2.00 0
Al 0.35; B 0.0010/0.0 0.04 0.03 13.50/16. 1.00/1. 24.0/27.0 10; Ti 0 0 00 50 1.90/2.35; V
S4550 3
S4650 0
S6628 6
-
A286
0.95/1. 1.0 1.25 20 0
0.08