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| Process Pipes > Grades |
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| Stainless Steel Grades - Tubular Products |
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| Standard grades - Chemical composition % |
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| JSTP Name |
Typical |
Minimum |
Others |
EN |
ASTM |
SS |
DIN |
Stock standard |
| C |
Cr |
Ni |
Mo |
Pipe, Fittings |
Hygenic |
| 4301 |
0.04 |
17.0 |
8.5 |
- |
|
1.4301 |
(304) |
2333 |
1.4301 |
ISO/Metric |
|
| 4307 |
0.02 |
18.0 |
8.0 |
- |
|
1.4307 1.4301 |
304L |
(2352)
2333 |
(1.4306) |
ANSI/ISO/
Metric |
DIN/SMS/Imp |
| 4541 |
0.04 |
17.0 |
9.0 |
- |
Ti |
1.4541 |
321 |
2337 |
1.4541 |
ISO |
|
| 4306 |
0.02 |
18.0 |
10.0 |
- |
|
1.4306 |
304L |
2352 |
1.4306 |
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| 4401 |
0.04 |
16.5 |
10.0 |
2.0 |
|
1.4401 |
316 |
(2347) |
(1.4401) |
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| 4404 |
0.02 |
16.5 |
10.0 |
2.0 |
|
1.4404 |
316L |
(2348) |
(1.4404) |
ANSI |
DIN/SMS/Imp |
| 4571 |
0.04 |
16.5 |
10.5 |
2.0 |
Ti |
1.4571 |
316Ti |
2350 |
1.4571 |
ISO/Metric |
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| 4436 |
0.04 |
16.5 |
10.5 |
2.5 |
|
1.4436 |
316 |
2343 |
(1.4436) |
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| 4432 |
0.02 |
16.5 |
10.5 |
2.5 |
|
1.4432
1.4436 |
316L |
2343
(2353) |
(1.4435) |
ANSI/ISO/
Metric |
|
| 4435 |
0.02 |
17.0 |
12.5 |
2.5 |
|
1.4435 |
316L |
2353 |
1.4435 |
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| 4438 |
0.02 |
18.0 |
13.0 |
3.0 |
|
1.4438 |
317L |
2367 |
1.4438 |
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| The compositions comply with EN, which not always comply exactly with the old national standards. Old SS and DIN-designations within brackets specifiy a slightly higher Ni-content. |
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Wet corrosion resistant grades -
Chemical composition % |
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| JSTP Duplex |
Typical |
EN |
ASTM |
SS |
DIN |
|
Pipe, Fittings |
| C |
Cr |
Ni |
Mo |
N |
| 2304 |
0.02 |
23.0 |
4.8 |
0.3 |
0.11 |
1.4362 |
S32304 |
2327 |
1.4362 |
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| 2205 |
0.02 |
22.0 |
5.7 |
3.1 |
0.17 |
1.4462 |
S32205 |
2377 |
1.4462 |
ANSI |
SAF
2507 |
0.02 |
25.0 |
7.0 |
4.0 |
0.27 |
1.4410 |
S32750 |
2328 |
- |
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| Austenitic |
| 904L |
0.01 |
20.0 |
25.0 |
4.3 |
0.06 |
1.4539 |
N08904 |
2562 |
1.4539 |
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254
SMO |
0.01 |
20.0 |
18.0 |
6.1 |
0.20 |
1.4547 |
S31254 |
2378 |
- |
ANSI |
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Heat and creep resistant grades - Chemical composition % |
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| JSTP |
Typical |
EN |
ASTM |
SS |
DIN |
| C |
Cr |
Ni |
Si |
N |
| 4948 |
0.05 |
18.1 |
8.3 |
- |
0.06 |
1.4948 |
304H |
2333 |
1.4948 |
| 4878 |
0.05 |
17.3 |
9.1 |
- |
0.01 |
1.4878 |
321H |
2337 |
1.4878 |
| 153 MA |
0.05 |
18.5 |
9.5 |
1.3 |
0.15 |
1.4818 |
S30415 |
2372 |
- |
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| 253 MA |
0.09 |
21.0 |
11.0 |
1.6 |
0.17 |
1.4835 |
S30815 |
2368 |
- |
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| 4828 |
0.04 |
20.0 |
12.0 |
2.0 |
0.04 |
1.4828 |
- |
- |
1.4828 |
| 4833 |
0.06 |
22.3 |
12.6 |
- |
0.08 |
1.4833 |
309S |
- |
1.4833 |
| 4845 |
0.05 |
25.0 |
20.0 |
- |
0.04 |
1.4845 |
310S |
2361 |
1.4845 |
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| The non stocked grades are available as heat exchanger tubes in minimum quantities. For other types of tube and pipe the availibility is more limited and each inquiry will be evaluated individually. |
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Ferritic grades -
Chemical composition % |
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| JSTP |
Typical |
EN |
ASTM |
DIN |
| C |
Cr |
Mo |
Ti |
Nb |
| 4003 |
0.02 |
11.0 |
- |
- |
- |
1.4003 |
S40977 |
1.4003 |
| 4512 |
0.03 |
11.0 |
- |
0.4 |
- |
1.4512 |
S40900 |
1.4512 |
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| 4509 |
0.01 |
18.0 |
- |
0.2 |
0.5 |
1.4509 |
S43940 |
1.4509 |
| 4510 |
0.03 |
18.0 |
- |
0.4 |
- |
1.4510 |
S43035 |
1.4510 |
| 4526 |
0.03 |
17.0 |
1.0 |
- |
0.5 |
1.4526 |
- |
(1.4525) |
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