Nickel-based alloys
2.4600
Alloy B3
NiMo29Cr
Nickel-molybdenum alloy with very high resistance to reducing media such as hydrochloric and sulphuric acid over wide concentration and temperature ranges, and good resistance to intergranular corrosion.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.01 |
| SiSilicon | ≤0.01 |
| MnManganese | ≤3 |
| PPhosphorus | ≤0.025 |
| SSulphur | ≤0.015 |
| CrChromium | 0.3–3 |
| MoMolybdenum | 26–32 |
| NiNickel | balance |
| CoCobalt | ≤3 |
| CuCopper | ≤0.5 |
| FeIron | 1–6 |
| WTungsten | ≤3 |
| AlAluminium | 0.1–0.5 |
| TiTitanium | ≤0.2 |
| NbNiobium | ≤0.4 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 820
Standard equivalences
- DIN/EN
- NiMo29Cr
- AISI
- Alloy B3
- UNS
- N10675
Typical applications
- Hydrochloric- and sulphuric-acid plant
- Acetic and phosphoric acid
- Phenol and styrene plant
- Chemical industry
Frequently asked questions
What is 2.4600 (Alloy B3)?
2.4600 (NiMo29Cr) — Nickel-based alloys. Nickel-molybdenum alloy with very high resistance to reducing media such as hydrochloric and sulphuric acid over wide concentration and temperature ranges, and good resistance to intergranular corrosion.
Which grades are equivalent to 2.4600?
2.4600 corresponds to EN NiMo29Cr; equivalent designations: AISI Alloy B3, UNS N10675.
Related grades
Indicative values — verify against the applicable standard before specifying.
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