Alloy 75
2.4951 – N06075
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Material description
The material 2.4951 is a high-temperature nickel-chromium alloy with a limited carbon content and additionally stabilised with titanium. This alloy is characterised by excellent resistance to oxidation at high temperatures and good mechanical properties.
AN OVERVIEW OF THE PROPERTIES OF 2.4951:
- Excellent corrosion and creep resistance against oxidation (at high temperatures up to 1100 °C)
- Good mechanical properties
Applications
- Nuclear technology
- Gas turbines
- Oven construction
- Heat treatment plants
- Environmental technology
Chemical composition in %
| DIN 17742 | |
|---|---|
| Ni | Rest |
| Al, max. | 0,30 |
| C | 0,08 – 0,15 |
| Co, max. | 5,0 |
| Cr | 18,0 – 21,0 |
| Cu, max. | 0,50 |
| Fe, max. | 5,0 |
| Mn, max. | 1,00 |
| P, max. | 0,020 |
| S, max. | 0,015 |
| Si, max. | 1,00 |
| Ti | 0,20 – 0,60 |
Mechanical properties
| Solution annealed | Bar D ≤ 100 mm DIN 17752 |
|---|---|
| Rm (MPa) | ≥ 650 |
| Rp 0,2 (MPa) | ≥ 240 |
| Rp 1,0 (MPa) | ≥ 270 |
| A (%) | ≥ 25 |
| Hardness (HBW 2,5/62,5) | ≤ 230 |