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Atomfair GH5188 Cobalt-Based Superalloy Powder
GH5188 is a Co-based solid solution strengthened superalloy, usable below 1100°C. It features good oxidation resistance, hot/cold working plasticity and weldability, ideal for aero-engine combustor liners, guide vanes. Suitable for SLM process.
Description
Solution-strengthened cobalt-based superalloy powder for high temperature applications up to 1100°C.
| Chemical Composition (wt.%) | |
|---|---|
| C | 0.05-0.15 |
| Ni | 20-24 |
| Cr | 20-24 |
| La | 13-16 |
| Fe | 0.03-0.12 |
| Si | ≤3 |
| N | ≤0.02 |
| Co | Balance |
| Cu | ≤0.07 |
| P | ≤0.02 |
| B | ≤0.015 |
| Mn | ≤1.25 |
| Physical Properties | |
|---|---|
| D10 (μm) | ≥15 |
| D50 (μm) | 30-40 |
| D90 (μm) | ≤58 |
| Sphericity | ≥0.9 |
| Apparent Density (g/cm³) | ≥4.5 |
| Tapped Density (g/cm³) | ≥5.2 |
| Flowability (s/50g) | ≤18 |
| Mechanical Properties | |||
|---|---|---|---|
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| Room Temperature | ≥900 | ≥480 | ≥5.0 |
| 900°C | ≥260 | ≥200 | ≥40.0 |
| 980°C | ≥180 | ≥120 | ≥40.0 |
Applications: Combustion chambers, flame tubes, guide vanes and other high temperature components in aircraft engines.
Processing Method: SLM.
Features: Excellent oxidation resistance, good cold/hot workability and weldability.
