Steels of blade for steam turbine
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.11 | 0.18 | ||
| Si | - | 0.50 | ||
| Mn | - | 0.60 | ||
| P | - | 0.035 | ||
| S | - | 0.030 | ||
| Ni | - | 0.60 | ||
| Cr | 10.00 | 11.50 | ||
| Mo | 0.50 | 0.70 | ||
| V | 0.25 | 0.40 |
1Cr11MoV
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 241 (≥) | 667 (≥) | 24 | 23 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 452 (≥) | 789 (≥) | 24 | 21 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 734 | 642 | 818 |
We can customize the production of 1Cr11MoV grade, contact us for the best solution.
–sales@specificsteel.com