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Waspaloy Chemical Composition
| % | Ni | Cr | Fe | C | Mn | Si | Cu | Mo | Co | P | S | Al | Ti | B | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | – | 18 | 0.02 | – | – | – | 3.5 | 12 | – | – | 1.2 | 2.75 | 0.003 | 0.02 | |
| Max | balance | 21 | 2 | 0.1 | 1 | 0.75 | 0.5 | 5 | 15 | 0.03 | 0.03 | 1.6 | 3.25 | 0.01 | 0.12 |
Waspaloy Physical Properties
| Density | Melting range |
|---|---|
| 8.19 g/cm³ | 1330-1360°C |
Typical Mechanical Properties
| Material | Condtion | Thickness | Temp | Tensile Strength ksi | Yield Strength ksi | Elongation in 4D | Hardness HRC |
|---|---|---|---|---|---|---|---|
| Sheet | Sol Treated, Stabilization + Precipitation HT | 0-0.020″ | Room | 170 | 110 | 15 | 34-44 |
| Sheet | Sol Treated, Stabilization + Precipitation HT | 0-0.020″ | 1000°F | 145 | 100 | 13 | |
| Sheet | Sol Treated, Stabilization + Precipitation HT | over 0.020″ | Room | 175 | 115 | 20 | 34-44 |
| Sheet | Sol Treated, Stabilization + Precipitation HT | over 0.020″ | 1000°F | 150 | 105 | 15 |
Features:
- High-Temperature Strength: Waspaloy is a nickel-based age-hardenable alloy with excellent high-temperature strength, capable of operating reliably at temperatures up to approximately 980°C (1800°F).
- Good Corrosion Resistance: The alloy exhibits good oxidation resistance at elevated temperatures, making it suitable for high-temperature applications.
- Strengthening Mechanism: Its high-temperature strength is derived from solid solution strengthening elements (molybdenum, cobalt, and chromium) and age-hardening elements (aluminum and titanium).
- Comparison with Other Alloys: Waspaloy offers higher strength and stability compared to Alloy 718, making it suitable for applications requiring high-temperature strength and corrosion resistance.
Applications:
- Aerospace Sector: Waspaloy is commonly used in manufacturing gas turbine engine components and other critical rotating parts that operate in high-temperature environments.
- Oil and Gas Industry: Due to its high-temperature strength and corrosion resistance, Waspaloy is utilized in components that function in high-temperature and corrosive environments.
- Springs and Fasteners: The alloy is suitable for manufacturing springs and fasteners that require high-temperature strength and reliability.
- Other High-Temperature Dynamic Applications: Waspaloy is applicable in various dynamic applications that demand strength and stability at elevated temperatures.
