Hitech
S alloy
HASTELLOY S alloy
HASTELLOY S alloy is a superalloy strengthened by solution hardening with excellent thermal stability, relatively low coefficient of expansion, reasonable strength and very good oxidation resistance up to 1095ºC.
High temperature S alloy UNS N06635 summarized:
- Thermal stability
- Thermal fatigue resistance
- Oxidation resistance up to 1093ºC
- Low expansion characteristics
- Widely used as sealing rings in gas turbine components
This alloy was developed for applications with cyclic heating conditions where components must be able to maintain their strength, ducability and metallurgical integrity after prolonged exposure.
Product description Haynes HTA - Hastelloy S alloy
This alloy is widely used in gas turbine engines. Hastelloy S is a very good welding consumable for welding dissimilar (nickel) alloys. Alloy S can be easily deformed hot or cold with various techniques and is easily welded with standard methods.
| Chemical composition (weight %) | |||||||||||
| Ni | Co | Fe | Cr | Mo | W | Mn | Si | Al | C | B | La |
| Rest | 2* | 3* | 16 | 15 | 1* | 0.5 | 0.4 | 0.25 | 0.02* | 0.015* | 0.02 |
| *Maximum | |||||||||||
| Density |
| 8.75 kg/dm3 |
Availability Hastelloy S alloy
Availability upon request.
| UNS | N06635 | Products |
| SAE | AMS 5711 | Bar, forgings, rings |
| SAE | AMS 5838 | Wire and welding wire |
| SAE | AMS 5873 | Plate and strip |
| Density 8,75 kg/dm3 | ||
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