China GB GB/T 1221 (1992) , GB/T 8732 (2004) , 1Cr11MoV 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 | 1Cr11MoV | Martensite | GB | China | Steels of blade for steam turbine |
C | Si | Mn | P | S | Ni | Cr | Mo | V |
---|---|---|---|---|---|---|---|---|
0.11 -0.18 | ≤0.50 | ≤0.60 | ≤0.035 | ≤0.030 | ≤0.60 | 10.00 -11.50 | 0.50 -0.70 | 0.25 -0.40 |
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) |
---|---|---|---|---|---|---|
561 (≥) | 845 (≥) | 22 | 32 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.23 | - | |||
174 | 428 | - | 43.3 | 111 | - | ||
882 | - | 24 | 44.2 | 431 | 422 |
Heat treated : 1223°C - 1679°C
GB/T 1221 (1992) | Heat-resisting steel bars | GB-T-1221--(1992)-.pdf |
GB/T 8732 (2004) | Steels of blade for steam turbine | GB-T-8732--(2004)--.pdf |
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