Material No.: 1.4439
| EN symbol (short) | X2CrNiMoN17-13-5 |
|---|---|
| Alloy | Alloy 317 LN |
| UNS | S 31726 Grade TP 317 LN |
| AFNOR | X2CrNiMoN17-13-5 / NF E.N 10088-1(06-2005) (FR) |
| BS | X2CrNiMoN17-13-5 / B.S. E.N 10088-1(06-2005) (GB) |
Hauptanwendungsgebiete
| Chemical Industry | for processing phosphoric acid |
| petrochemical industry | |
| offshore plants | Sea water desalination plant |
| cellulose/paper industry | different components |
Beschreibung
| Densitykg/dm3 | 8,1 |
| HardnessHB (<=35mm) Rockwell Hardness Number max. | <=350 B90 (S 31726-ASTM A 249) |
| Composition | chromium nickel molybdenium steels |
| Category | Corrosion resisting steels and alloys |
| Structure | austenitic |
| Corrosion | resistant to intercrystalline corrosion < 400°C non-corroding |
| Additional characteristics | chemically resistant |
Temperaturhinweise
| Application area | |
| Operation temperature | -454 ºF to 752 ºF temperature limit |
| Explanation report | -454°F only in strain situation III |
Chemische Zusammensetzung
| Min % | Max % | |
|---|---|---|
| C | 0.03 | |
| Si | 1,00 | |
| Mn | 2,00 | |
| P | 0,045 | |
| S | 0,015 | |
| Cr | 16,50 | 18,50 |
| Mo | 4,00 | 5,00 |
| Ni | 12,50 | 14,50 |
| Cu | ||
| N | 0,12 | 0,22 |