China GB GB/T 14992 (2005) , GB/T 14994 (2008) , GH1040 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 | GH1040 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
C | Cr | Mo | Ni | Si | Mn | P | S | N |
---|---|---|---|---|---|---|---|---|
≤0.12 | 15.0 -17.5 | 5.50 -7.00 | 24.0 -27.0 | 0.50 -1.00 | 1.00 -2.00 | ≤0.030 | ≤0.020 | 0.10 -0.20 |
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) |
---|---|---|---|---|---|---|
715 (≥) | 859 (≥) | 33 | 24 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.12 | - | |||
452 | 722 | - | 42.3 | 443 | - | ||
561 | - | 24 | 13.2 | 134 | 444 |
Heat treated : 1114°C - 1658°C
GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials | GB-T-14992--(2005)-.pdf |
GB/T 14994 (2008) | Cold brawn heat-resisting superalloy bars | GB-T-14994--(2008)-.pdf |
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