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GMR235 is a kind of precipitation-hardening type nickel-base alloy which has widely been used to gas-turbine disk. The alloy contains excellent oxidation resistance, which continues for 1000 hours above in temperature of 760℃. The properties improves obviously by vacuum melting. Similar alloy's names in different standards:
Beiye designation | China Standard designation | International designation |
GMR235 | GMR235 | GMR235 |
Gas-turbine blade
Working vanes
Guide-vanes
C | 0.16 | Cr | 15.6 | Al | 3.63 |
Si | 0.36 | Ti | 2.18 | Fe | 10.50 |
Mn | 0.30 | Mo | 5.10 | Ni | bal. |
High Temperature Tensile At 650℃ | |
Yield Strength | 630 MPa (91.35 ksi) |
Tensile Strength | 890 MPa (129.05ksi) |
Elongation | 6.7% |
| High Temperature Rupture At 816℃ | |
Rupture Life | ＞15h |
The melting temperature | 1315℃ | ||
Density | 7.95 g/cm3 | ||
