1. Introduce
– Wrought Ni-based alloy
– UNS N07700
* Udimet : Ni-based alloy recommended for applications requiring high strength at elevated temperatures
* UNS
- Abbreviation of Unified Numbering Systems for Metals and Alloys
- Unified numbering system for metals and alloys
- A representative number that is compatible with metals and alloys defined in many material-related codes such as ASTM, AISI, ASME, AWS, etc.
* N : Nickel and nickel alloys
* UNS N07700 : 07XXX : Chromium (Precipitation-hardenable alloy)
2. Property
– High temperature strength, oxidation resistance, creep resistance, thermal stability, excellent weldability
| Element | Impact |
|---|---|
| Ni | Provides corrosion resistance |
| Cr | Provides corrosion resistance, oxidation resistance |
| Co | Highly strengthening element, provides creep properties |
| Al | Provides high temperature creep properties, oxidation resistance |
| Ti | Provides high temperature strength, corrosion resistance |
| Mo | Highly strengthening element, provides high temperature creep properties |
[Udimet 700 Chemical Composition (%)]
| Ni | Cr | C | Al |
|---|---|---|---|
| 52.06 ~ 84.95 | Max. 15.00 | 0.05 ~ 0.14 | Max. 4.40 |
| Ti | Mo | Co | |
|---|---|---|---|
| Max. 3.40 | Max. 5.00 | 15.00 ~ 20.00 |
3. Standard & Specification
– Specification : UNS N07700
| SAE | J467 |
| AMS | 5846 |
| AISI | 687, 651 |
| GE | C60T67 |
4. Available Form
– Plate, Sheet
– Bar, Rod : Round, Flat, Square
– Coil, Strip
– Pipe, Tube : Seamless, Welded
5. Application & Product
– Aerospace, Chemical
| Application | Product |
|---|---|
| Aerospace | Gas turbine blades, Combustion chamber liners |
| Chemical | Heat exchangers, Pressure vessels |
(1) Gas turbine blades / (2) Combustion chamber liners / (3) Pressure vessels / (4) Heat exchangers
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