China GB GB/T 14992 (2005) , GB/T 14993 (1994) , GH4037 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 | GH4037 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.03 -0.10 | 13.0 -16.0 | 2.00 -4.00 | ≤Remainder | 5.00 -7.00 | 1.70 -2.30 | 1.80 -2.30 | ≤5.0 | ≤0.40 | ≤0.50 | ≤0.015 | ≤0.010 | ≤0.02 | ≤0.02 | 0.10 -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) | 
|---|---|---|---|---|---|---|
| 199 (≥) | 365 (≥) | 22 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.34 | - | |||
| 988 | 925 | - | 12.3 | 243 | - | ||
| 561 | - | 24 | 44.2 | 414 | 234 | 
Heat treated : 1493°C - 1393°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| GH4037 | 
| 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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