Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | ≤0.1 |
| Chromium | 20.0 - 23.0 |
| Nickel | Bal. |
| Cobalt | ≤0.1 |
| Niobium | 3.15 - 4.15 |
| Molybdenum | 8.0 - 10.0 |
| Aluminium | ≤0.4 |
| Titanium | ≤0.4 |
| Iron | ≤5.0 |
| Silicon | ≤5.0 |
| Manganese | ≤5.0 |
| Sulfur | ≤0.015 |
| Phosphorus | ≤0.015 |
| Copper | ≤0.07 |
| Oxygen | ≤0.02 |
| Nitrogen | ≤0.02 |
Mechanical Properties
| Room temperature | 815℃ | |
| Yield strength | ≥410 MPa | ≥170 MPa |
| Tensile strength | ≥850 MPa | ≥220 MPa |
| Elongation | ≥40.0 % | ≥40.0 % |
Morphology
| Particle size distribution | ||
|---|---|---|
| D10 | D50 | D90 |
| ≥15 µm | 30 - 40 µm | ≤56 µm |
| Sphericity | ≥0.85 | |
| Packing density | ≥4.4 cm³ | |
| Tap density | ≥5.0 g/cm³ | |
| Flowability | ≤18 s/50g | |
