Superalloys
AD730
Spécifications
EU
NiCr16Co9Fe4Mo3-W3Ti3Al2
Composition
Ni
Base
Cr
16
Mo
3
Ti
4
Co
9
Al
2
Nb
1
W
3
Fe
4
Applications
• Aero Engines and Land Turbines : engines disk, buckets, fasteners, blades
• Specialties : hot parts for turbo shafts in motorsport
• Hot Tooling
Characteristics
• Good high temperature fatigue creep resistance
• High microstructural stability up to 750°C
• Better oxydation resistance than Waspaloy or 720 Alloy
Mechanical properties
| Heat treatment |
UTS (N/mm²) |
0,2% YS (N/mm²) |
A (%) |
|---|---|---|---|
| H + V | 1580 | 1200 | 20 |
Key to heat treatment symbols
| Solution treated | H | Annealed | R |
|---|---|---|---|
| Thermo-mechanical treatment | TM | Quenched and tempered | T+RV |
| Sub-zero treatment | F | Solution treated and aged | H+V |