AFNOR 1.4501, 1.4410, S32760, S32750, X2CrNiMoN25-7-4
Super Duplex steels also find applications in the chemical, paper, cryogenic and power industries for parts and subassemblies such as pumps, shafts, bushes, aerial constructions, heat exchangers, coolers, chemical transport pipelines, special tanks, valve
Chemical composition(mass fraction)(wt.%)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.030 | |||
| Si | 1.00 | |||
| Mn | 2.00 | |||
| P | 0.035 | |||
| S | 0.015 | |||
| Cr | 24.00 | 26.00 | ||
| Mo | 3.00 | 4.50 | ||
| Ni | 6.00 | 8.00 | ||
| N | 0.20 | 0.35 |
