Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed vs Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed
Property comparison of Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed and Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed, both nickel alloy.
| Property | Incoloy 800H (Ni-32Fe-21Cr-0.4Ti-0.4Al higher-C) annealed | Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed | Difference |
|---|---|---|---|
| Yield strength | 200 MPa | 207 MPa | +4% |
| Tensile strength | 531 MPa | 517 MPa | -3% |
| Elongation | 52 % | 45 % | -13% |
| Elastic modulus | 196,500 MPa | 196,500 MPa | 0% |
| Density | 7,940 kg/m³ | 7,940 kg/m³ | 0% |
| Thermal conductivity | 11.6 W/m·K | 11.6 W/m·K | 0% |
| Specific heat | 460 J/kg·K | 460 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000014 1/K | 0.000014 1/K | 0% |
| Melting point | 1,385 °C | 1,385 °C | 0% |
Difference is Incoloy 800HT (Ni-32Fe-21Cr-0.6Ti-0.4Al higher-C higher-Ti/Al) annealed 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
- N08811
- standard
- Special Metals Corp. tech bulletin INCOLOY alloy 800H/800HT (SMC-047)
- heat treatment
- solution annealed (1150C min)
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