Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed vs Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened
Property comparison of Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed and Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened, both nickel alloy.
| Property | Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed | Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened | Difference |
|---|---|---|---|
| Yield strength | 200 MPa | 1,140 MPa | +470% |
| Tensile strength | 531 MPa | 1,300 MPa | +145% |
| Elongation | 52 % | 15 % | -71% |
| Elastic modulus | 196,500 MPa | 159,000 MPa | -19% |
| Density | 7,940 kg/m³ | 8,300 kg/m³ | +5% |
| Thermal conductivity | 11.6 W/m·K | 14.8 W/m·K | +28% |
| Coefficient of thermal expansion | 0.000014 1/K | 0.000008 1/K | -46% |
| Melting point | 1,385 °C | 1,422 °C | +3% |
Difference is Incoloy 909 (Ni-38Co-13Fe-4.7Nb-1.5Ti) precipitation hardened relative to Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) 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
- N08810
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 800H/800HT (SMC-047); Sandmeyer Steel Incoloy 800H/800HT spec sheet
- heat treatment
- solution annealed (1150C min; ASTM grain size 5 or coarser)
- grade
- N19909
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 909 (SMC-059); AZoM ArticleID 7744
- heat treatment
- precipitation hardened
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