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) |
---|---|---|---|---|---|---|
476 (≥) | 691 (≥) | 33 | 44 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.24 | - | |||
837 | 872 | - | 34.3 | 414 | - | ||
776 | - | 31 | 24.2 | 221 | 334 |
Heat treated : 1743°C - 1299°C
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