China GB GH4118 Superalloys Iron-based superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Superalloys | GH4118 | GB | China | Iron-based superalloy |
C | Cr | Mo | Ni | Co | Al | Ti | B | Fe | Zr |
---|---|---|---|---|---|---|---|---|---|
≤0.20 | 14.0 -16.0 | 3.0 -5.0 | ≤Remainder | 13.5 -15.5 | 4.5 -5.0 | 3.5 -4.5 | 0.01 -0.025 | ≤0.1 | ≤0.15 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
412 (≥) | 564 (≥) | 22 | 24 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
43 | - | - | 0.14 | - | |||
795 | 865 | - | 14.3 | 424 | - | ||
259 | - | 34 | 33.2 | 442 | 112 |
Heat treated : 1534°C - 1472°C
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