Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed vs Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged
Property comparison of Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed and Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged, both nickel alloy.
| Property | Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed | Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged | Difference |
|---|---|---|---|
| Yield strength | 207 MPa | 810 MPa | +291% |
| Tensile strength | 517 MPa | 1,210 MPa | +134% |
| Elongation | 45 % | 24 % | -47% |
| Elastic modulus | 196,500 MPa | 199,000 MPa | +1% |
| Density | 7,940 kg/m³ | 8,080 kg/m³ | +2% |
| Thermal conductivity | 11.6 W/m·K | 12 W/m·K | +3% |
| Specific heat | 460 J/kg·K | 435 J/kg·K | -5% |
| Coefficient of thermal expansion | 0.000014 1/K | 0.000013 1/K | -7% |
| Melting point | 1,385 °C | 1,343 °C | -3% |
Difference is Incoloy 925 (Ni-38Fe-22Cr-3Mo-2Cu-2Ti-0.3Al) aged relative to Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed. 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
- N08811
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 800H/800HT (SMC-047)
- heat treatment
- solution annealed (1150C min)
- 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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