cast superalloy
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.13 | 0.17 | ||
| Si | - | 0.20 | ||
| Mn | - | 0.20 | ||
| S | - | 0.015 | ||
| Cr | 8.00 | 10.00 | ||
| Ni | - | Bal | ||
| Mo | 2.25 | 2.75 | ||
| Co | 9.00 | 11.00 | ||
| W | 9.00 | 11.00 | ||
| Al | 5.25 | 5.75 | ||
| Cu | - | 0.10 | ||
| Ti | 1.25 | 1.75 | ||
| Fe | - | 1.00 | ||
| Ta | 1.25 | 1.75 | ||
| Zr | 0.03 | 0.08 | ||
| B | 0.010 | 0.020 |
cast superalloy of MAR-M 246
| 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) |
|---|---|---|---|---|---|---|
| 451 (≥) | 795 (≥) | 14 | 24 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
| 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 |
|---|---|---|---|---|---|---|---|
| 721 (≥) | 697 (≥) | 34 | 42 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 337 | 321 | 163 |
We can customize the production of MAR-M 246 grade, contact us for the best solution.
–sales@specificsteel.com