Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.05 - 0.15 |
| Nickel | 20 - 24 |
| Chromium | 20 - 24 |
| Tungsten | 13 - 16 |
| Lanthanum | 0.03 - 0.12 |
| Iron | ≤3 |
| Silicon | 0.2 - 0.5 |
| Cobalt | Bal. |
| Phosphorus | ≤0.02 |
| Sulfur | ≤0.015 |
| Boron | ≤0.015 |
| Manganese | ≤1.25 |
| Oxygen | ≤0.02 |
| Nitrogen | ≤0.02 |
Mechanical Properties
| Room temperature | 900℃ | 980℃ | |
| Yield strength | ≥480 MPa | ≥200 MPa | ≥120 MPa |
| Tensile strength | ≥9050 MPa | ≥260 MPa | ≥180 MPa |
| Elongation | ≥45.0 % | ≥40.0 % | ≥40.0 % |
Morphology
| Particle size distribution | ||
|---|---|---|
| D10 | D50 | D90 |
| ≥15 µm | 30 - 40 µm | ≤56 µm |
| Sphericity | ≥0.85 | |
| Packing density | ≥4.5 cm³ | |
| Tap density | ≥5.2 g/cm³ | |
| Flowability | ≤18 s/50g | |
