Steels for larger forgings for components in turbine and generator installations
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.28 | ||
| Si | - | 0.25 | ||
| Mn | - | 0.40 | ||
| P | - | 0.010 | ||
| S | - | 0.010 | ||
| Cr | 1.40 | 1.80 | ||
| Ni | 3.40 | 3.80 | ||
| Mo | 0.30 | 0.45 | ||
| V | - | 0.15 | ||
| Al | - | 0.025 |
Steels for larger forgings for components in turbine and generator installations
| 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) |
|---|---|---|---|---|---|---|
| 783 (≥) | 599 (≥) | 21 | 21 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
| 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 |
|---|---|---|---|---|---|---|---|
| 241 (≥) | 842 (≥) | 12 | 34 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 175 | 291 | 411 |
We can customize the production of 1.6957 grade, contact us for the best solution.
–sales@specificsteel.com