Incoloy 825
Incoloy 825 is a nickel-iron-chromium super alloy with addition of molybdenum and copper. The chemical composition of Incoloy 825 is designed to provide exceptional resistance to many corrosive environments. It has improved resistance to aqueous corrosion as compared to Incoloy 800 , otherwise both are same . Incoloy 825 is especially resistant to phosphoric and sulfuric acids.
Chemical Composition
| Incoloy 825 | |
| Ni | 38.0 – 46.0 |
| Fe | 22.0 min |
| Cr | 19.5 – 23.5 |
| Mb | 2.5 – 3.5 |
| Cu | 1.5 – 3.0 |
| Ti | 0.6 – 1.2 |
| C | 0.05 max |
| Mn | 1.0 max |
| S | 0.03 max |
| Si | 0.5 max |
| Al | 0.2 max |
Specifications
| UNS | N08825 |
| Werkstoff Nr. | 2.4858 |
Mechanical & Physical Properties – Incoloy 825
| Density | 8.14 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 32,000 , MPa – 220 |
| Elongation | 30 % |
Applications
Incoloy 825
Chemical Industry
Incoloy 825
Nuclear Industry
