China GB GB/T 14992 (2005) , GB/T 14995 (2010) , GB/T 14996 (2010) , GB/T 14998 (1994) , GB/T 15062 (2008) , GH1140 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 | GH1140 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
C | Cr | Mo | Ni | W | Al | Ti | Si | P | S | Ce |
---|---|---|---|---|---|---|---|---|---|---|
0.06 -0.12 | 20.0 -23.0 | 2.00 -2.50 | 35.0 -40.0 | 1.40 -1.80 | 0.20 -0.60 | 0.70 -1.20 | 0.80 -0.70 | ≤0.025 | ≤0.015 | ≤0.05 |
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) |
---|---|---|---|---|---|---|
156 (≥) | 211 (≥) | 14 | 42 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
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 |
---|---|---|---|---|---|---|---|
13 | - | - | 0.14 | - | |||
455 | 789 | - | 42.3 | 314 | - | ||
733 | - | 24 | 41.2 | 122 | 213 |
Heat treated : 1598°C - 1589°C
Grade | Standard | Country | Application |
---|---|---|---|
GH1140 |
GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials | GB-T-14992--(2005)--.pdf |
GB/T 14995 (2010) | Hot-rolled superalloy sheets | GB-T-14995--(2010)--.pdf |
GB/T 14996 (2010) | Cold-Rolled heat-resisting superalloy sheets | GB-T-14996--(2010)--.pdf |
GB/T 14998 (1994) | Heat-resisting superalloy blanks for forged rings | GB-T-14998--(1994)-.pdf |
GB/T 15062 (2008) | Superalloy tube for general application | GB-T-15062--(2008)-.pdf |
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