Rustproof ferritic-austenitic steel (Super Duplex) Maximum corrosion resistance and good strength. Good weldability. Excellent resistance to general corrosion, stress-cracking corrosion, corrosion fatigue, pitting and contact corrosion, and erosion corrosion. Max. working temperature for long-term loading 280°C (brief overshoot of up to 300°C permissible).
| DIN | UNS | EN | Others |
|---|---|---|---|
| 1.4410 | S32750 | X2CrNiMoN25-7-4 | AISI: F53 |
| C | Si | Mn | Cr | Mo | Ni | W | N | |
|---|---|---|---|---|---|---|---|---|
| 0.02 | 0.25 | 0.55 | 25.80 | 3.40 | 7.00 | 0.55 | 0.30 |
