China GB GB/T 14992 (2005) , GB/T 14993 (1994) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH2302 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 | GH2302 | GB | China | Classification and designation for superalloys and high temperature intermetallic materials | 
| C | Cr | Mo | Ni | W | Al | Ti | Si | Mn | P | S | B | Ce | Zr | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.08 | 12.0 -16.0 | 1.50 -2.50 | 38.0 -42.0 | 3.50 -4.50 | 1.80 -2.80 | 2.30 -2.80 | ≤0.60 | ≤0.60 | ≤0.020 | ≤0.010 | ≤0.01 | ≤0.02 | ≤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) | 
|---|---|---|---|---|---|---|
| 451 (≥) | 789 (≥) | 23 | 11 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | 
| 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 | - | - | 0.34 | - | |||
| 953 | 491 | - | 12.3 | 411 | - | ||
| 973 | - | 43 | 23.2 | 134 | 411 | 
Heat treated : 1565°C - 1283°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| GH2302 | 
| 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 | 
| 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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