Nickel-base superalloy
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.10 | ||
| Cr | 18.0 | 21.0 | ||
| Ni | - | Remainder | ||
| Co | - | 2.0 | ||
| Al | 1.0 | 1.8 | ||
| Ti | 1.8 | 2.7 | ||
| B | - | 0.008 | ||
| Fe | - | 1.5 |
GH4180
| 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) |
|---|---|---|---|---|---|---|
| 249 (≥) | 575 (≥) | 22 | 21 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| 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 |
|---|---|---|---|---|---|---|---|
| 282 (≥) | 998 (≥) | 44 | 43 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 323 | 744 | 421 |
We can customize the production of GH4180 grade, contact us for the best solution.
–sales@specificsteel.com