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K418 is a kind of Nickel-based casting alloy which has lighter weight and good anti-oxidation, anti-fatigue properties in the following 980 ℃, good fatigue and creep rupture strength. Similar alloy's names in different standards:
| Beiye designation | China Standard designation | America designation | Britain designation |
K418 | K418 | Inco713C | Nimocast713 |
Guide vanes
The working blades
Turbo
C | 0.13 | Cr | 13.15 |
Ti | 0.80 | Al | 6.00 |
Mo | 4.08 | Fe | 0.36 |
Nb | 2.17 | Ni | bal. |
Casting | |
Hardness | 33~37HRC |
High Temperature Tensile At 800℃ | |
Tensile Strength | 855 MPa (123.98ksi) |
| Elongation | 10.0% |
High Temperature Rupture At 800℃ | |
| Rupture Life | ＞45h |
* Typical values for material tested in accordance with GB/T 4340.3, GB/T 228, GB/T 22315.
The melting temperature | 1295~1345℃ | ||
Density | 7.9g/cm3 | ||
Thermal expansion | 100℃ | 200℃ | 300℃(W/(m•C)) |
10.15 | 11.72 | 12.98 | |
Specific heat capacity | 100℃ | 198℃ | 315℃(J/(Kg•K)) |
439 | 460 | 481 | |
