China GB GB/T 14992 (2005) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH3128 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 | GH3128 | 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 | Zr |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.05 | 19.0 -22.00 | 7.50 -9.00 | ≤Remainder | 7.50 -9.00 | 0.40 -0.80 | 0.40 -0.80 | ≤2.0 | ≤0.80 | ≤0.50 | ≤0.013 | ≤0.013 | ≤0.005 | ≤0.05 | ≤0.06 |
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) |
---|---|---|---|---|---|---|
499 (≥) | 188 (≥) | 34 | 23 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.21 | - | |||
964 | 366 | - | 22.3 | 434 | - | ||
421 | - | 34 | 14.2 | 443 | 443 |
Heat treated : 1431°C - 1818°C
Grade | Standard | Country | Application |
---|---|---|---|
GH3128 |
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 |
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