|
Typec |
UNS |
C |
Mn |
Si |
Cr |
Ni |
Other |
| 201 |
S20100 |
0.15 |
5.5-7.5 |
1.00 |
16.0-18.0 |
3.5-5.5 |
0.25 N |
|
202 |
S20200 |
0.15 |
7.5-10.0 |
1.00 |
17.0-19.0 |
4.0-6.0 |
0.25 N |
| 205 |
S20500 |
0.12-0.25 |
14.0-15.5 |
1.00 |
16.5-18.0 |
1.0-1.75 |
0.32-0.40 N |
| Nitronic
50 |
S20910 |
0.06 |
4.0-6.0 |
1.00 |
20.5-23.5 |
11.5-13.5 |
1.5-3.0 Mo; 0.20-0.40 N; |
| (XM-19)
|
|
|
|
|
|
|
0.10-0.30 Nb; 0.10-0.30 V |
| Nitronic
60 |
S21800 |
0.10 |
7.0-9.0 |
3.5-4.5 |
16.0-18.0 |
8.0-9.0 |
0.08-0.18 N |
| Nitronic
40 |
S21900 |
0.08 |
8.0-10.0 |
1.00 |
19.0-21.5 |
5.5-7.5 |
0.15-0.40 N |
| (XM-10) |
|
|
|
|
|
|
|
| Nitronic
33 |
S24000 |
0.08 |
11.50-14.50 |
1.00 |
17.00-19.00 |
2.50-3.75 |
0.20-0.40 N |
| (18-3-Mn) |
|
|
|
|
|
|
|
| Nitronic
32 |
S24100 |
0.15 |
11.00-14.00 |
1.00 |
6.50-19.50 |
0.50-2.50 |
0.20-0.45 N |
| (18-2-Mn) |
|
|
|
|
|
|
|
| 18-18
Plus |
S28200 |
0.15 |
17.0-19.0 |
1.00 |
17.5-19.5 |
--- |
0.5-1.5 Mo; 0.5-1.5 Cu; |
|
|
|
|
|
|
|
|
0.40-0.60 N |
| 301 |
S30100 |
0.15 |
2.00 |
1.00 |
16.0-18.0 |
6.0-8.0 |
--- |
| 302 |
S30200 |
0.15 |
2.00 |
1.00 |
17.0-19.0 |
8.0-10.0 |
--- |
| 302B |
S30215 |
0.15 |
2.00 |
2.0-3.0 |
7.0-19.0 |
8.0-10.0 |
--- |
| 303b |
S30300 |
0.15 |
2.00 |
1.00 |
17.0-19.0 |
8.0-10.0 |
0.60 Mo (b) |
| 303Se |
S30323 |
0.15 |
2.00 |
1.00 |
17.0-19.0 |
8.0-10.0 |
0.15 min Se |
| 304 |
S30400 |
0.08 |
2.00 |
1.00 |
18.0-20.0 |
8.0-10.5 |
--- |
| 304H |
S30409 |
0.04-0.10 |
2.00 |
1.00 |
18.0-20.0 |
8.0-10.5 |
--- |
|
304L |
S30403 |
0.03 |
2.00 |
1.00 |
18.0-20.0 |
8.0-12.0 |
--- |
|
304HN |
S30452 |
0.04-0.10 |
2.00 |
1.00 |
18.0-20.0 |
8.0-10.5 |
0.16-0.30 N |
|
(XM-21) |
|
|
|
|
|
|
|
|
304LN |
S30453 |
0.03 |
2.00 |
1.00 |
18.0-20.0 |
8.0-12.0 |
0.10-0.16 N |
|
302Cu |
S30430 |
0.08 |
2.00 |
1.00 |
17.0-19.0 |
8.0-10.0 |
3.0-4.0 Cu |
|
Typec |
UNS |
C |
Mn |
Si |
Cr |
Ni |
Other |
| 304N |
S30451 |
0.08 |
2.00 |
1.00 |
18.0-20.0 |
8.0-10.5 |
0.10-0.16 N |
| 305 |
S30500 |
0.12 |
2.00 |
1.00 |
17.0-19.0 |
10.5-13.0 |
--- |
| Cronifer |
S30600 |
0.018 |
2.00 |
3.7-4. |
17.0-18.5 |
14.5-15.5 |
0.20 Mo |
| 1815LCSi |
|
|
|
|
|
|
|
| 308 |
S30800 |
0.08 |
2.00 |
1.00 |
19.0-21.0 |
10.0-12.0 |
--- |
| 309 |
S30900 |
0.20 |
2.00 |
1.00 |
22.0-24.0 |
12.5-15.0 |
--- |
| 309S |
S30908 |
0.08 |
2.00 |
1.00 |
22.0-24.0 |
12.0-15.0 |
--- |
| 310 |
S31000 |
0.25 |
2.00 |
1.50 |
24.0-26.0 |
19.0-22.0 |
--- |
| 310S |
S31008 |
0.08 |
2.00 |
1.50 |
0.08 |
2.00 |
1.50 |
24.0-26.0 |
19.0-22.0 |
10 X %C min to |
| |
|
|
|
|
|
|
1.10 max Nb + Ta |
| 254
SMO |
S31254 |
0.02 |
1.00 |
0.80 |
19.5-20.5 |
17.5-18.5 |
6.00-6.50 Mo; 0.50-1.00 Cu; |
| |
|
|
|
|
|
|
0.10-0.22 N |
| 314 |
S31400 |
0.25 |
2.00 |
1.50-3.00 |
23.0-26.0 |
19.0-22.0 |
--- |
| 316 |
S31600 |
0.08 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 Mo |
| 316Fb |
S31620 |
0.08 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
1.75-2.50 Mo |
| 316H |
S31609 |
0.04-0.10 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 Mo |
| 316L |
S31603 |
0.03 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 Mo |
| 316Ti |
S31635 |
0.08 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
5 x %(C + N) min to 0.70 max Ti; |
| |
|
|
|
|
|
|
2.0-3.0 Mo; 0.10 N |
| 316Cb |
S31640 |
0.08 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
10 x %C min to 1.10 max Nb + Ta; |
| |
|
|
|
|
|
|
2.0-3.0 Mo;0.10 N |
| 316LN |
S31653 |
0.03 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 Mo; 0.10-0.16 N |
| 316N |
S31651 |
0.08 |
2.00 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.0-3.0 Mo; 0.10-0.16 N |
| 317 |
S31700 |
0.08 |
2.00 |
1.00 |
18.0-20.0 |
11.0-15.0 |
3.0-4.0 Mo |
| 317L |
S31703 |
0.03 |
2.00 |
1.00 |
18.0-20.0 |
11.0-15.0 |
3.0-4.0 Mo |
|
Typec |
UNS |
C |
Mn |
Si |
Cr |
Ni |
Other |
|
317LN |
S31753 |
0.03 |
2.00 |
1.00 |
18.0-20.0 |
11.0-15.0 |
0.10-0.22 N |
|
317LMN |
S31726 |
0.030 |
2.00 |
0.75 |
17.0-20.0 |
13.5-17.5 |
4.0-5.0 Mo; 0.10-0.20 N |
| 321 |
S32100 |
0.08 |
2.00 |
1.00 |
17.0-19.0 |
9.0-12.0 |
5 x %C min Ti |
|
321H |
S32109 |
0.04-0.10 |
2.00 |
1.00 |
17.0-19.0 |
9.0-12.0 |
5 x %C min Ti |
|
330 |
N08330 |
0.08 |
2.00 |
0.75-1.50 |
17.0-20.0 |
34.0-37.0 |
--- |
| 347 |
S34700 |
0.08 |
2.00 |
1.00 |
17.0-19.0 |
9.0-13.0 |
10 x %C min Nb |
|
347H |
S34709 |
0.04-0.10 |
2.00 |
1.00 |
17.0-19.0 |
9.0-13.0 |
8 x %C min - 1.0 max Nb |
|
348 |
S34800 |
0.08 |
2.00 |
1.00 |
17.0-19.0 |
9.0-13.0 |
0.2 Co; 10 x %C min Nb; 0.10 Ta |
|
348H |
S34809 |
0.04-0.10 |
2.00 |
1.00 |
17.0-19.0 |
9.0-13.0 |
0.2 Co; 8 x %C min - 1.0 max Nb;
|
|
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|
0.10 Ta |
| 384 |
S38400 |
0.08 |
2.00 |
1.00 |
15.0-17.0 |
17.0-19.0 |
--- |
|
20Cb-3 |
N08020 |
0.07 |
2.00 |
1.00 |
19.0-21.0 |
32.0-38.0 |
2.0-3.0 Mo; 3.0-4.0 Cu; |
|
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|
8 x %C min to 1.00 max Nb |
|
20Mo-4 |
N08024 |
0.03 |
1.00 |
0.50 |
22.5-25.0 |
35.0-40.0 |
3.50-5.00 Mo; 0.50-1.50 Cu; |
| |
|
|
|
|
|
|
0.15-0.35 Nb |
|
20Mo-6 |
N08026 |
0.03 |
1.00 |
0.50 |
22.0-26.0 |
33.0-37.2 |
5.00-6.70 Mo; 2.00-4.00 Cu |
| Sanicro
28 |
N08028 |
0.02 |
2.00 |
1.00 |
26.0-28.0 |
29.5-32.5 |
3.0-4.0 Mo; 2.00-4.00 Cu |
|
AL-6X |
N08366 |
0.035 |
2.00 |
1.00 |
20.0-22.0 |
23.5-25.5 |
6.0-7.0 Mo |
|
AL-6XN |
N08367 |
0.030 |
2.00 |
1.00 |
20.0-22.0 |
23.5-25.5 |
6.00-7.00 Mo; 0.18-0.25 N |
| 904L |
N08904 |
0.02 |
2.00 |
1.00 |
19.0-23.0 |
23.0-28.0 |
4.0-4.5 Mo;1.0-2.0 Cu |
|
Cronifer |
N08925 |
0.02 |
1.00 |
0.50 |
24.0-26.0 |
19.0-21.0 |
6.0-7.0 Mo; 0.8-1.5 Cu; |
|
1925 hMo |
|
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|
0.10-0.20 N |
|
a. Although sulphur and phosphorus contents are not listed in this
table due to limited space, they are specified; see appropriate material |
|
standard for more details. |
|
b. Free-machining grade with 0.15% minimum sulphur. |
|
c. XM designations in this column are ASTM designations for the listed
alloy. |
|
Single values are maximums, unless otherwise specified. |
|
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302
General
Purpose
|
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202
N & Mn
partially
replaces
Ni
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302B
Si added
to increase
scaling
resistance
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205
N & Mn
partially
replaces
Ni
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201
N & Mn
partially
replaces
Ni
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317
More
Mo
& Cr
added for
better
corrosion
resistance |
|
316
Mo added
to increase
corrosion
resistance
|
|
309
309S
Cr & Ni
increased
for high
temperature |
|
308
Higher
Cr & Ni
used
primarily
for welding |
|
|
|
304
Lower C
for
better
corrosion
resistance
in
weld
fabrication |
|
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305
Ni increased
to lower
work
hardening
|
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303
S added
to improve
machining
|
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301
Cr & Ni
lowered
to increase
work
hardening |
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317L
C reduced
for
welding
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316L
C reduced
for
welding
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310
310S
Same as
309 only
more so
|
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347
Cb added
to prevent
carbide
precip.
|
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321
Ti added
to prevent
carbide
precip.
|
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304L
C reduced
even
further
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384
More Ni
to lower
work
hardening
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303Se
Se added
for better
machined
surfaces
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317LMN
Mo added
N added
|
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316N
N added
to increase
strength
|
|
314
Si
increased
for higher
heat
resistance |
|
348
Ta & Co
restricted
for
nuclear
application |
|
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304N
N added
to
increase
strength
|
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S30430
Cu added
to improve
cold
working
|
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316F
S & P
increased
to improve
machining
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330
Ni added
to resist
carburization
& thermal
shock |
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