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) |
|---|---|---|---|---|---|---|
| 541 (≥) | 728 (≥) | 21 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
| 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 |
|---|---|---|---|---|---|---|---|
| 168 (≥) | 385 (≥) | 13 | 13 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 369 | 678 | 719 |
We can customize the production of GH4180 grade, contact us for the best solution.
–sales@specificsteel.com