Nickel-based alloys
2.4851 Alloy 601 NiCr23Fe
Aluminium-bearing nickel-chromium alloy with outstanding oxidation resistance to about 1150 °C in air and good mechanical properties at elevated temperature.
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Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.1 |
| SiSilicon | ≤0.5 |
| MnManganese | ≤1 |
| PPhosphorus | ≤0.02 |
| SSulphur | ≤0.015 |
| AlAluminium | 1–1.7 |
| CrChromium | 21–25 |
| NiNickel | 58–63 |
| CuCopper | ≤0.5 |
| FeIron | ≤18 |
| TiTitanium | ≤0.5 |
| CoCobalt | ≤1 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 1075
Standard equivalences
- DIN/EN
- NiCr23Fe
- AISI
- Alloy 601
- UNS
- N06601
Typical applications
- Power-plant and reactor construction
- Furnace construction, protection and transport rolls
- Air preheaters
- High-temperature petrochemical plant
Frequently asked questions
What is 2.4851 (Alloy 601)?
2.4851 (NiCr23Fe) — Nickel-based alloys. Aluminium-bearing nickel-chromium alloy with outstanding oxidation resistance to about 1150 °C in air and good mechanical properties at elevated temperature.
Which grades are equivalent to 2.4851?
2.4851 corresponds to EN NiCr23Fe; equivalent designations: AISI Alloy 601, UNS N06601.
Related grades
Indicative values — verify against the applicable standard before specifying.
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