China GB GB/T 8732-2014, 12Cr13 Specialsteel Steels of blade for steam turbine and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 12Cr13 | Martensite | GB | China | Steels of blade for steam turbine |
C | Si | Mn | P | S | Cr | Cu |
---|---|---|---|---|---|---|
0.10 -0.15 | ≤0.60 | ≤0.60 | ≤0.030 | ≤0.020 | 11.50 -13.50 | ≤0.30 |
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) |
---|---|---|---|---|---|---|
778 (≥) | 166 (≥) | 22 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 |
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 | - | - | 0.21 | - | |||
375 | 993 | - | 34.3 | 131 | - | ||
748 | - | 31 | 13.2 | 313 | 332 |
Heat treated : 1213°C - 1111°C
Grade | Standard | Country | Application |
---|---|---|---|
12Cr13 |
GB/T 8732-2014 | Steels of blade for steam turbine | GB-T-8732-2014.pdf |
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