MAR-M 246 Cast superalloy
USA AMS MAR-M 246 Cast superalloy Superalloys cast superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Superalloys | MAR-M 246 Cast superalloy | AMS | USA | cast superalloy |
Chemical composition(mass fraction)(wt.%) of the MAR-M 246 Cast superalloy
| C | Si | Mn | S | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe | Ta | Zr | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.13 -0.17 | ≤0.20 | ≤0.20 | ≤0.015 | 8.00 -10.00 | ≤Bal | 2.25 -2.75 | 9.00 -11.00 | 9.00 -11.00 | 5.25 -5.75 | ≤0.10 | 1.25 -1.75 | ≤1.00 | 1.25 -1.75 | 0.03 -0.08 | 0.010 -0.020 |
Mechanical Properties of steel grade MAR-M 246 Cast superalloy
| 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) |
|---|---|---|---|---|---|---|
| 981 (≥) | 346 (≥) | 12 | 24 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
Physical Properties of steel grade MAR-M 246 Cast superalloy
| 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 |
|---|---|---|---|---|---|---|---|
| 12 | – | – | 0.13 | – | |||
| 996 | 668 | – | 13.3 | 211 | – | ||
| 589 | – | 41 | 23.2 | 442 | 124 |
Heat Treatment of steel grade MAR-M 246 Cast superalloy
Heat treated : 1159°C – 1115°C
Technological Curves of steel grade MAR-M 246 Cast superalloy
No Curve