Applications
chemical processing, sour service, scrubbers, heat exchangers.
MATERIALAlloy C-22Nickel alloys
NICKEL ALLOYS2.4602UNS N06022
MATERIAL DATASHEET
Alloy C-22 (Hastelloy® C-22, UNS N06022)
Ni-Cr-Mo-W corrosion-resistant alloy with superior resistance to localized corrosion vs. C-276 and 625.
Standards & designations
| Designation | Reference |
|---|---|
| UNS | N06022 |
| Werkstoff Nr. | 2.4602 |
| ASTM | B575 (plate/sheet), B574 (bar), B622 (pipe), B619/B626 (tubing) |
| ASME | SB575, SB574, SB622, SB619/SB626 |
| ISO | ISO 15156-3 (sour service) |
| Others | Hastelloy® C-22 |
Mechanical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ≥ 310 MPa (min, typ. product) |
| Tensile strength Rm | ≥ 690 MPa (min) |
| Elongation | ≥ 40 % (min) |
| Hardness | — |
Chemical composition
Weight %
| Element | Ni | Cr | Mo | W | Fe | Co | Mn | Si | C | P | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | bal. | 20.0 | 12.5 | 2.5 | 2.0 | — | — | — | — | — | — |
| Max | bal. | 22.5 | 14.5 | 3.5 | 6.0 | 2.5 | 0.5 | 0.08 | 0.015 | 0.02 | 0.02 |
Applications & processing
Heat treatment
Solution anneal ~ 1120–1175 °C; rapid quench.
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.