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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