Nickel-based alloys
2.4633
Alloy 602 CA
NiCr25FeAlY
High-temperature, chemically resistant nickel-chromium alloy for the most demanding oxidising and reducing service, including resistance to moist chlorine gas.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | 0.15–0.25 |
| SiSilicon | ≤0.5 |
| MnManganese | ≤0.5 |
| PPhosphorus | ≤0.02 |
| SSulphur | ≤0.01 |
| CrChromium | 24–26 |
| NiNickel | balance |
| YYttrium | 0.05–0.12 |
| TiTitanium | 0.1–0.2 |
| AlAluminium | 1.8–2.4 |
| CoCobalt | ≤0.3 |
| CuCopper | ≤0.1 |
| FeIron | 8–11 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 1150
Standard equivalences
- DIN/EN
- NiCr25FeAlY
- AISI
- Alloy 602 CA
Typical applications
- Environmental technology
- Organic chemical processes
- Flue-gas desulphurisation
- Waste incineration
Frequently asked questions
What is 2.4633 (Alloy 602 CA)?
2.4633 (NiCr25FeAlY) — Nickel-based alloys. High-temperature, chemically resistant nickel-chromium alloy for the most demanding oxidising and reducing service, including resistance to moist chlorine gas.
Which grades are equivalent to 2.4633?
2.4633 corresponds to EN NiCr25FeAlY; equivalent designations: AISI Alloy 602 CA.
Related grades
Indicative values — verify against the applicable standard before specifying.
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