ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy) vs ATI 901
Property comparison of ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy) and ATI 901, both nickel alloy.
| Property | ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy) | ATI 901 | Difference |
|---|---|---|---|
| Yield strength | 1,207 MPa | 1,172 MPa | -3% |
| Tensile strength | 1,586 MPa | 1,276 MPa | -20% |
| Elongation | 18 % | 25 % | +39% |
| Density | 8,090 kg/m³ | 8,220 kg/m³ | +2% |
Difference is ATI 901 relative to ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Proprietary (Rolls Royce MSRR7252 / GE C50TF105)
- standard
- ATI Technical Data Sheet
- heat treatment
- Solution treat 1080-1100°C/4h OQ + age 650°C/24h AC + 760°C/16h AC
- grade
- Ni-Fe-Cr-Mo-Ti (N09901)
- standard
- UNS N09901
- heat treatment
- Aged (bar)
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