Haynes 282 vs MAR-M 247 (Ni-8.3Cr-10Co-10W-5.5Al-3Ta-1Ti-0.7Mo) cast heat treated
Property comparison of Haynes 282 and MAR-M 247 (Ni-8.3Cr-10Co-10W-5.5Al-3Ta-1Ti-0.7Mo) cast heat treated, both nickel alloy.
| Property | Haynes 282 | MAR-M 247 (Ni-8.3Cr-10Co-10W-5.5Al-3Ta-1Ti-0.7Mo) cast heat treated | Difference |
|---|---|---|---|
| Yield strength | 384 MPa | 930 MPa | +142% |
| Tensile strength | 839 MPa | 1,035 MPa | +23% |
| Elongation | 59 % | 5 % | -92% |
| Density | 8,270 kg/m³ | 7,800 kg/m³ | -6% |
| Thermal conductivity | 10.3 W/m·K | 11.3 W/m·K | +10% |
| Coefficient of thermal expansion | 0.000012 1/K | 0.000013 1/K | +4% |
| Melting point | 1,338 °C | 1,366 °C | +2% |
Difference is MAR-M 247 (Ni-8.3Cr-10Co-10W-5.5Al-3Ta-1Ti-0.7Mo) cast heat treated relative to Haynes 282. 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
- 282
- standard
- Haynes International Datasheet H-3173
- heat treatment
- Annealed
- grade
- N/A
- standard
- AZoM Super Alloy MAR-M 247 (ArticleID 7808); TMS Superalloys 1984 Kaufman et al. MAR-M-247 turbine blisk
- heat treatment
- investment cast + standard heat treat
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