Applications
oil & gas tubulars, chemical processing, pickling equipment.
MATERIALIncoloy 825Nickel alloys
NICKEL ALLOYS2.4858UNS N08825
MATERIAL DATASHEET
Incoloy® 825 (UNS N08825 / W.Nr. 2.4858)
Ni-Fe-Cr alloy with Mo, Cu and Ti for excellent resistance to reducing/oxidizing acids; SCC resistant.
Standards & designations
| Designation | Reference |
|---|---|
| UNS | N08825 |
| Werkstoff Nr. | 2.4858 |
| ASTM | B424 (plate), B425 (sheet/strip), B446 (bar), B705/B704 (pipe/tube) |
| ASME | SB424, SB425, SB446, SB705/SB704 |
| ISO | — |
| Others | Alloy 825 |
Mechanical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ≥ 205–240 MPa (product dependent) |
| Tensile strength Rm | ≥ 550–620 MPa |
| Elongation | ≥ 30 % |
| Hardness | — |
Chemical composition
Weight %
| Element | Ni | Cr | Mo | Cu | Ti | Al | C | Mn | Si | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 38.0 | 19.5 | 2.5 | 1.5 | 0.6 | — | — | — | — | — | bal. |
| Max | 46.0 | 23.5 | 3.5 | 3.0 | 1.2 | 0.2 | 0.05 | 1.0 | 0.5 | 0.03 | bal. |
Applications & processing
Heat treatment
Annealed ~ 940–980 °C; rapid cool.
Weldability
Very good.
The information in this datasheet is provided for guidance only. Intermec AS does not guarantee the accuracy or completeness of the data. Users must verify suitability for their specific applications.