| Material No. | 2.4856 |
|---|---|
| EN symbol (short) | NiCr22Mo9Nb |
| AISI/SAE | — |
| UNS | N 06625 |
| AFNOR | NC 22 D Nb |
| BS | NA21 |
| alloy | alloy 625 |
| Registered work's labelen | Inconel® alloy 625, Nicrofer ® 6020 hMo |
| Standards | — |
Our product range in 2.4856 (alloy 625) are tubes and pipes, fittings and flanges, accessories.
Chemical composition ¹ | ||||||||
| C % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Ti ≤ % | Cr % | Mo ≤ % | Ni ≥ % |
| 0,03-0,10 | 0,5 | 0,5 | 0,020 | 0,015 | 0,40 | 20,0-23,0 | 8,0-10,0 | 58 |
| Cu ≤ % | Nb % | Al ≤ % | Fe ≤ % | |||||
| 0,5 | 3,15-4,15 | 0,4 | 5,0 | |||||
| ¹ in accordance with Key to Steel 2001 | ||||||||
Special characteristics | ||
| Temperature range | Density kg/dm³ | Hardness (HB) |
|---|---|---|
| good toughness over 850°C | 8,5 | |
Welding filler |
| covered rod electrode 2.4621 |
Main fields of application (depending on the specific conditions of use) |
| offshore technology, sea water resistent, chemical industry, production of phosphate acid, flue gas desulphurating plants, waste incineration plants |
| (all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use) |