Product description
High-alloy austenitic steel with high nickel, molybdenum and copper content. It is designed to withstand highly aggressive environments.
Product application instructions
|
ALLOY |
UNS |
DIN |
W -Nr. |
| 317 | S31703 | X2 CrNiMo 18 16 4 | 1.4438 |
| 31LN | S31753 | X3 CrNiMoN 17 13 5 | 1.4439 |
| – | – | G – X2 CrNiMoN 17 13 4 | 1.4446 |
| – | – | G – X7 NiCrMoCuNb 25 20 | 1.4500 |
| – | – | X5 NiCrMoCuNb 20 18 2 | 1.4505 |
| – | – | X5 NiCrMoCuTi 20 18 | 1.4506 |
| – | – | G – X2 NiCrMoCuN 20 18 | 1.4531 |
| – | – | G – X2 NiCrMoCuN 25 20 5 | 1.4536 |
| – | – | X1 NiCrMoCuN 25 20 5 | 1.4539 |
Classification
| AWS A5.22 | DIN 8556 | EN 12073 | Werkstoff Nr. |
|---|---|---|---|
| ER385 | SG - X2 CrNiMoCu 20 25 | T Z 20 25 Cu L R M 3 | 1.4519 |
Chemical analysis (%)
| C | Mn | If | Cr | Ni | Mo | Cu |
|---|---|---|---|---|---|---|
| 0.02 | 1.8 | 0.4 | 20.0 | 25.0 | 4.5 | 1.5 |
Mechanical characteristics
| Rm (MPa) | Rp0.2 (MPa) | A5 (%) | Av - ISO - V |
|---|---|---|---|
| 560 | 400 | 35 | 80 J: - 196°C |
Why choose ABRAFIL 904L?
-
Excellent corrosion resistance, even in acidic environments (dilute sulfuric, phosphoric, hydrochloric acid).
-
Excellent resistance to pitting, intergranular corrosion and crevice corrosion.
-
Good mechanical strength and long-term durability under severe conditions.
-
Used in the chemical, pharmaceutical, offshore and marine industries.
