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Quality 2.4856
General Product Description
Material number 2.4856
Short name according to EN Alloy 625
AISI / UNS / Alloy Alloy 625, UNS N06625
Applicable standards VdTÜV WBL 499, AMS5666, ASTM B466, ASTM B564 ASME BPVC II.B, NACE MR0175, NACE MAR 0103, AD2000 W2, GE S-400, GE S-1000
Treatment soft annealed
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 2.4856 | soft annealed |  Round | 12,70 - 152,40 |
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 2.4856 / Alloy 625 is a nickel-chromium-molybdenum-niobium alloy that exhibits excellent corrosion resistance to a wide range of corrosive media. Alloy 625 is used in oil and gas production, the chemical process industry, marine technology and aerospace.
Chemical composition (in %)
| C | Cr | Mn | Mo | Ni | P | S | Co | Ti | Si | Al | NB+Ta | Fe | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | - | 21,0 | - | 8,0 | 58,0 | - | - | - | - | - | - | 3,0 | - |
| Max | 0,03 | 23,0 | 0,5 | 10,0 | - | 0,015 | 0,015 | 1,0 | 0,4 | 0,4 | 0,40 | 3,8 | 5,0 |
| Element | Min | Max |
|---|---|---|
| C | - | 0,03 |
| Cr | 21,0 | 23,0 |
| Mn | - | 0,5 |
| Mo | 8,0 | 10,0 |
| Ni | 58,0 | - |
| P | - | 0,015 |
| S | - | 0,015 |
| Co | - | 1,0 |
| Ti | - | 0,4 |
| Si | - | 0,4 |
| Al | - | 0,40 |
| NB+Ta | 3,0 | 3,8 |
| Fe | - | 5,0 |
Mechanical properties (Soft annealed ≤ DIA 160)
Tensile strength Rm 827–1000 600 (450°C) 758–920 530 (450°C) N/mm2
0.2% proof stress Rp0.2 414 270 (450°C) 345 255 (450°C) N/mm2
Elongation at break A5 35 35 %
Notched impact energy (ISO-V) 100 64 (-196°C) 44 36 (-196°C) J
Hardness ≤ 287 ≤ 287 HB
Magnetizability No
Typical areas of application
chemical industry
oil and gas production
marine engineering and shipbuilding
aerospace industry
equipment manufacturing
General properties (Soft annealed)
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.