Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened vs Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged
Property comparison of Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened and Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged, both nickel alloy.
| Property | Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened | Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged | Difference |
|---|---|---|---|
| Yield strength | 1,140 MPa | 810 MPa | -29% |
| Tensile strength | 1,300 MPa | 1,210 MPa | -7% |
| Elongation | 15 % | 24 % | +60% |
| Elastic modulus | 159,000 MPa | 199,000 MPa | +25% |
| Density | 8,300 kg/m³ | 8,080 kg/m³ | -3% |
| Thermal conductivity | 14.8 W/m·K | 12 W/m·K | -19% |
| Coefficient of thermal expansion | 0.000008 1/K | 0.000013 1/K | +71% |
| Melting point | 1,422 °C | 1,343 °C | -6% |
Difference is Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged relative to Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened. 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
- N19909
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 909 (SMC-059); AZoM ArticleID 7744
- heat treatment
- precipitation hardened
- grade
- N09925
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 925 (SMC-066); Langley Alloys Alloy 925 datasheet; AZoM ArticleID 7694
- heat treatment
- solution annealed + aged
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