The chemical composition INCOLOY alloy 890 is outlined in the following table.
| Element | Content (%) |
|---|---|
| Nickel, Ni | 42.5 |
| Iron, Fe | 25.605 - 28.4 |
| Chromium, Cr | 25 |
| Silicon, Si | 1.8 |
| Molybdenum, Mo | 1.5 |
| Manganese, Mn | ≤1 |
| Titanium, Ti | ≤1 |
| Copper, Cu | ≤ 0.75 |
| Niobium, Nb | 0.4 |
| Tantalum, Ta | 0.2 |
| Carbon, C | 0.1 |
| Aluminum, Al | 0.1 |
The following table shows the physical properties of INCOLOY alloy 890.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.94 g/cm3 | 0.287 lb/in3 |
| Melting point | 1309-1383°C | 2388-2521°F |
The mechanical properties of INCOLOY alloy 890 are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 62 MPa | 8990 psi |
| Yield strength | 44 MPa | 6380 psi |
| Elongation at break | 46.50% | 46.50% |