Chemical Composition List For General Stainless Steel Grade:
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
–
Comments