China GB GB/T 14992 (2005) , GB/T 14993 (1994) , GH4049 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 | GH4049 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials |
C | Cr | Mo | Ni | W | Al | Ti | Fe | Si | Mn | P | S | B | Ce | V |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.10 | 9.50 -11.0 | 4.50 -5.50 | ≤Remainder | 5.00 -6.00 | 3.70 -4.40 | 1.40 -1.90 | ≤1.5 | ≤0.50 | ≤0.50 | ≤0.010 | ≤0.010 | ≤0.015 | ≤0.02 | 0.20 -0.50 |
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) |
---|---|---|---|---|---|---|
421 (≥) | 239 (≥) | 34 | 43 | 44 | 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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.24 | - | |||
341 | 947 | - | 22.3 | 322 | - | ||
276 | - | 44 | 22.2 | 341 | 413 |
Heat treated : 1385°C - 1898°C
Grade | Standard | Country | Application |
---|---|---|---|
GH4049 |
GB/T 14992 (2005) | Classification and designation for superalloys and high temperature intermetallic materials | GB-T-14992--(2005)-.pdf |
GB/T 14993 (1994) | Hot-rolled heat-resisting superalloy bars for rotating parts | GB-T-14993--(1994)-.pdf |
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