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Quality 2.4668
General Product Description
Material number 2.4668
Short name according to EN Alloy 718
AISI / UNS / Alloy Alloy 718, Inconel 718, UNS N07718
Applicable standards WL 2.4668, AMS5662, AMS5663, UNS N07718, ASTM B637, DIN 17744
Treatment solution annealed, bright
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 2.4668 | solution annealed, bright |  Round | 9,53 - 70 |
Ulrike Blase
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Pierre Hermsdorf
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+49 (0) 23 31 - 387 124
hermsdorf@remystahl.de
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Description
The material 2.4668 / Alloy 718 exhibits excellent corrosion resistance in atmospheres containing CO2, H2S and Cl. Coupled with high temperature resistance and very good cold toughness values. Applications: Oil & gas industry and aerospace.
Chemical composition (in %)
| C | Cr | Mn | Mo | Ni | P | S | Nb | Ti | Si | Al | B | Co | Cu | Fe | Pb | Bi | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 0,02 | 17,0 | - | 2,8 | 50,0 | - | - | 4,80 | 0,65 | - | 0,3 | 0,002 | - | - | - | - | - | - |
| Max | 0,08 | 21,0 | 0,35 | 3,3 | 55,0 | 0,015 | 0,015 | 5,50 | 1,15 | 0,35 | 0,7 | 0,006 | 1,0 | 0,2 | rest | 0,0005 | 0,00003 | 0,0003 |
| Element | Min | Max |
|---|---|---|
| C | 0,02 | 0,08 |
| Cr | 17,0 | 21,0 |
| Mn | - | 0,35 |
| Mo | 2,8 | 3,3 |
| Ni | 50,0 | 55,0 |
| P | - | 0,015 |
| S | - | 0,015 |
| Nb | 4,80 | 5,50 |
| Ti | 0,65 | 1,15 |
| Si | - | 0,35 |
| Al | 0,3 | 0,7 |
| B | 0,002 | 0,006 |
| Co | - | 1,0 |
| Cu | - | 0,2 |
| Fe | - | rest |
| Pb | - | 0,0005 |
| Bi | - | 0,00003 |
| Se | - | 0,0003 |
Mechanical properties (.7)
Tensile strength Rm 900–1100 N/mm2
0.2% proof stress Rp0.2 500–700 N/mm2
Elongation at break A5 ≥ 12 %
Notched impact energy (ISO-V) – J
Hardness ≤ 277 HB
Magnetizability No
Typical areas of application
aerospace industry
oil and gas industry
turbine and engine components
chemical processing plants
General properties (.7)
Corrosion Resistance
Weldability
Forgeability
Tensionability
Note
All information in this data sheet has been compiled to the best of our knowledge and belief. It is for information purposes only and does not constitute a assured property or guarantee. For the suitability of the material in specific applications, we recommend carrying out appropriate inspections and tests. Any liability for damage or errors is excluded.