China GB GB/T 8732 (2004) , S47670 Specialsteel Steels of blade for steam turbine and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | S47670 | GB | China | Steels of blade for steam turbine |
| C | Mn | P | S | Si | Ni | Cr | Mo | Cu | V | Al | N | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.1500 -0.2000 | 0.5000 -0.8000 | ≤0.0200 | ≤0.0150 | ≤0.5000 | 0.3000 -0.6000 | 10.0000 -12.0000 | 0.6000 -0.9000 | ≤0.1000 | 0.2000 -0.3000 | ≤0.0300 | 0.0400 -0.0900 | 0.2000 -0.6000 |
| 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) |
|---|---|---|---|---|---|---|
| 115 (≥) | 924 (≥) | 12 | 44 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.21 | - | |||
| 945 | 239 | - | 34.3 | 112 | - | ||
| 134 | - | 41 | 43.2 | 444 | 342 |
Heat treated : 1926°C - 1753°C
| GB/T 8732 (2004) | Steels of blade for steam turbine | GB-T-8732--(2004)--.pdf |
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