1. Introduce
– Stellite X-45
– Alloy with thermal and thermal shock resistance and high strength at elevated temperatures
* Stellite Alloys
- A Co-Cr alloy designed for wear resistance
- Alloys with Cr, C, W, Mo, etc. added to a Co base
- Excellent corrosion, erosion, and wear resistance
→ Cause : Intrinsic properties of hard carbide phase dispersed in the CoCr alloy base
2. Property
– Excellent high temperature strength, heat resistance, thermal shock resistance, wear resistance
| Element | Impact |
|---|---|
| Co | Provides high temperature creep strength, abrasion resistance |
| Cr | Provides corrosion resistance, strength |
| W | Provides high temperature hardness, abrasion resistance |
[X-45 Chemical Composition (%)]
| Co | Cr | Ni | Fe |
|---|---|---|---|
| Min. 53.74 | Max. 25.50 | Max. 10.50 | Max. 2.00 |
| C | Mn | W | B |
|---|---|---|---|
| Max. 0.25 | Max. 1.00 | Max. 7.00 | Max. 0.01 |
3. Standard & Specification
| ASTM | A567 Gr.13 |
| GE | B50A3748 |
| Snecma | DMD405.32 |
4. Available Form
– Bar, Rod
– Tube, Pipe
– Shaft
5. Application & Product
– Aerospace, Medical
| Application | Product |
|---|---|
| Aerospace | Aerojet engines, Turbochargers, Turbine blades, Guide vanes, Bearings, Housings |
| Medical | Medical devices |
(1) Aerojet engines / (2) Guide vanes / (3) Housings / (4) Medical devices
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