Hastelloy S (UNS N06635) High-temperature alloy
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Features
This alloy is a high-temperature, nickel-based alloy. Hastelloy S alloy is resistant to oxidation at 1095°C and delivers excellent thermal stability. Furthermore, this alloy can regain its ductility and strength after aging in a temperature range of 427 to 871°C.
Chemical Analysis
| % | C | Cr | Ni | Fe | Mo | W | Al | La | Co | Si | Mn | P | S | |
| Hastelloy -S | Min. | - | 14.5 | - | 14 | - | 0.1 | 0.01 | - | 0.2 | 0.3 | - | - | |
| Max. | 0.02 | 17 | 3 | 16.5 | 1 | 0.5 | 0.1 | 2 | 0.75 | 1 | 0.02 | 0.015 |
Physical Properties
| Density | Melting Range | Electrical Resistivity | Coefficient of Expansion | Thermal Conductivity | Thermal Diffusivity | Specific Heat Capacity |
| 8.75G/CM3 | 1335-1380℃ | 1.28 | 11.5X10E6 | 14 | 3.6X10E6 | 398 |
High-temperature Mechanical Properties
| Analyses Sample: 1.1-1.6mm Testing Temperature: 1093℃ | Tensile Strength | Yield Strength | Elastic Modulus | Elongation |
| RM N/MM2 | RPO.2 N/MM2 | GPA | % | |
| 110 | 52 | 212 | 46 |
- Applications
- High temperature components
- Seal rings in gas turbine engines and other applications with a low coefficient of thermal expansion
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