China GB GB/T 14992 (2005) , GH2038 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | GH2038 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
C | Cr | Ni | Al | Ti | Si | Mn | P | S | B |
---|---|---|---|---|---|---|---|---|---|
≤0.10 | 10.0 -12.5 | 18.0 -21.0 | ≤0.50 | 2.30 -2.80 | ≤1.00 | ≤1.00 | ≤0.030 | ≤0.020 | ≤0.008 |
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) |
---|---|---|---|---|---|---|
774 (≥) | 173 (≥) | 13 | 14 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.44 | - | |||
495 | 476 | - | 43.3 | 214 | - | ||
423 | - | 13 | 24.2 | 331 | 341 |
Heat treated : 1977°C - 1962°C
Grade | Standard | Country | Application |
---|---|---|---|
GH2038 |
GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials | GB-T-14992--(2005)--.pdf |
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