High Performance Austentic Grades are detailed below.
Characteristic properties
- Very good resistance to uniform corrosion
- Very good to exceptionally good resistance to pitting and crevice corrosion
- Very good resistance to various types of stress corrosion cracking
- Good ductility and weldability
Steel designation
number/name |
Outokumpu
steel |
Outokumpu chemical composition typical %
|
| EN |
ASTM |
Name |
Cmax |
N |
Cr |
Ni |
Mo |
Others |
| 1.4438 |
317L |
4438 |
0.02 |
- |
18.2 |
13.7 |
3.1 |
- |
| 1.4439 |
317LNM |
4439 |
0.02 |
0.14 |
17.8 |
12.7 |
4.1 |
- |
| 1.4539 |
904L |
904L |
0.01 |
- |
20 |
25 |
4.3 |
1.5 Cu |
| 1.4547 |
S31254 |
254 SMO®
|
0.01 |
0.20 |
20 |
18 |
6.1 |
Cu |
Stainless steel mechanical properties