Directional Solidification Superalloy
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.14 | ||
| Cr | 8.20 | 9.80 | ||
| Co | 9.20 | 10.80 | ||
| W | 6.20 | 10.80 | ||
| Ni | - | Bal | ||
| Mo | 1.50 | 2.50 | ||
| Al | 4.30 | 5.30 | ||
| Ti | 2.00 | 2.80 | ||
| Fe | - | 0.20 | ||
| Ta | 3.30 | 4.00 | ||
| B | 0.005 | 0.015 | ||
| Zr | - | 0.05 | ||
| Si | - | 0.15 | ||
| Mn | - | 0.15 | ||
| P | - | 0.001 | ||
| S | - | 0.010 | ||
| Pb | - | 0.0005 | ||
| Sb | - | 0.001 | ||
| Sn | - | 0.001 | ||
| Bi | - | 0.00005 | ||
| Ag | - | 0.0005 |
Directional Solidification Superalloy K125L
| 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) |
|---|---|---|---|---|---|---|
| 747 (≥) | 387 (≥) | 44 | 12 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
| 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 |
|---|---|---|---|---|---|---|---|
| 827 (≥) | 951 (≥) | 11 | 44 | 42 | 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 |
|||||
| 216 | 857 | 731 |
We can customize the production of K125L grade, contact us for the best solution.
–sales@specificsteel.com