Material No.: 2.4660
| EN symbol (short) | NiCr20CuMo |
|---|---|
| Alloy | 20 |
| UNS | N 08020 |
| Registered work's label | Nicrofer® 3620 |
| 2.4660 is a columbium stabilised, low carbonised nickel iron chrome alloy with molybdenum and copper addition. It is highly resistant to corrosion and shows good resistance to sulfuric/phosphoric/nitric acids in chloride containing media. | |
Hauptanwendungsgebiete
| Chemical Industry | for processing sufuric acid (e.g. sulfuric acid coolers) |
| pharmaceutical industry | |
| Kunststoffindustrie | |
| food processing industry |
Beschreibung
| Densitykg/dm3 | 8,1 |
| HardnessHBW | <=220 |
| Composition | Nickel Chrome Iron alloy |
| Category | Heat resistant steels and alloys Corrosion resisting steels and alloys |
| Structure | austenitic |
Temperaturhinweise
| Application area | |
| Operation temperature | ºF to 932 ºF |
Chemische Zusammensetzung
| Min % | Max % | |
|---|---|---|
| C | 0,07 | |
| Si | 1,00 | |
| Mn | 2,00 | |
| P | 0,025 | |
| S | 0,015 | |
| Cr | 19,00 | 21,00 |
| Mo | 2,00 | 3,00 |
| Ni | 32,00 | 38,00 |
| Co | 1,50 | |
| Nb+Ta | 8 x C | 1,0 |
| Cu | 3,00 | 4,00 |
| Fe | balance | balance |