Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.05 - 0.15 |
| Chromium | 20.5 - 23 |
| Nickel | Remain |
| Cobalt | 0.5 - 2.5 |
| Tungsten | 0.2 - 1.0 |
| Molybdenum | 8.0 - 10.0 |
| Aluminium | ≤0.5 |
| Titanium | ≤0.15 |
| Iron | 17.0 - 20.0 |
| Boron | ≤0.01 |
| Silicon | ≤0.01 |
| Manganese | ≤0.01 |
| Phosphorus | ≤0.025 |
| Sulfur | ≤0.015 |
| Copper | ≤0.5 |
| Oxygen | ≤0.02 |
| Nitrogen | ≤0.02 |
Mechanical Properties
| Room temperature | 900℃ | |
| Yield strength | ≥300 MPa | ≥170 MPa |
| Tensile strength | ≥700 MPa | ≥220 MPa |
| Elongation | ≥20.0 % | ≥20.0 % |
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 | |
