Iron-based superalloy
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.12 | ||
| Cr | 18.0 | 20.0 | ||
| Mo | 9.0 | 10.5 | ||
| Ni | - | Remainder | ||
| Co | 10.0 | 12.0 | ||
| Al | 1.4 | 2.0 | ||
| Nb | 2.5 | 3.9 | ||
| Ti | 2.9 | 3.5 | ||
| B | 0.003 | 0.01 | ||
| Fe | - | 0.5 |
GH4141
| 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) |
|---|---|---|---|---|---|---|
| 139 (≥) | 137 (≥) | 23 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
| 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 (≥) | 618 (≥) | 22 | 13 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 157 | 288 | 194 |
We can customize the production of GH4141 grade, contact us for the best solution.
–sales@specificsteel.com