ATI 690 vs ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy)
Property comparison of ATI 690 and ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy), both nickel alloy.
| Property | ATI 690 | ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy) | Difference |
|---|---|---|---|
| Yield strength | 241 MPa | 1,207 MPa | +401% |
| Tensile strength | 585 MPa | 1,586 MPa | +171% |
| Elongation | 45 % | 18 % | -60% |
| Density | 8,190 kg/m³ | 8,090 kg/m³ | -1% |
Difference is ATI 720 (Ni-Cr-Co-Mo-W-Ti-Al precipitation-hardened superalloy) relative to ATI 690. 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
- Ni-Cr-Fe (N06690)
- standard
- ASME SB-166; ASTM B-166
- heat treatment
- Annealed (bar)
- 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
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