EN 1.4507, X2CrNiMoCuN25-6-3, UNS S32550
Used in the paper, chemical, nitrogen, and aviation industries as well as in power engineering for screws, shafts, sleeves, fittings, installations and pipelines, pump parts, tanks for chemicals, heat exchangers, radiator parts and aircraft constructions
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.030 | |||
| Si | 0.70 | |||
| Mn | 2.00 | |||
| P | 0.035 | |||
| S | 0.015 | |||
| Cr | 24.00 | 26.00 | ||
| Mo | 2.70 | 4.00 | ||
| Ni | 5.50 | 7.50 | ||
| N | 0.15 | 0.30 | ||
| Cu | 1.00 | 2.50 |
