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N06625 Inconel Alloy Inconel 625 sheet plate
Material designation: Inconel 625 nickel based alloy
French grade: NC22DNb
German grade: W.Nr.2.4856
US grade: N06625
Microstructure of Inconel625 alloy:
The alloy in the solid solution state has an austenite matrix and a small amount of TiN, NbC, and M6C phases. After long-term aging at 650 to 900 ° C, the precipitated phases are γ ", δ, M23C6, and M6C.
mainly precipitates after long-term aging at 650 ～ 700 ℃, which significantly improves the strength of the alloy at room temperature and high temperature, and the plasticity decreases, but still maintains a high level; δ phase mainly precipitates after aging at 780 ～ 850 ℃, although the strength is somewhat It increases, but the plasticity of the alloy decreases more.
After aging at 900 ℃, there are only a few precipitated phases, so the mechanical properties are similar to the solid solution state. The δ phase is a plate-shaped Ni3Nb with an orthogonal structure and exists as a needle-like Weiss body structure [1,7].
Inconel 625 (N06625) nickel-based alloy chemical composition: see Table-1:
Table-1 %
| C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
| 0.10 | 0.50 | 0.50 | 0.015 | 0.015 | 20.0-23.0 | Balance | - | 0.07 |
| Others | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb≤ |
| - | 0.40 | 0.40 | 5.00 | 1.00 | - | - | 3.15-4.15 |
specification:
Product specifications of Inconel 625 sheet plate:
