Nickel-base superalloy
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.08 | ||
Cr | 9.0 | 12.0 | ||
Mo | 5.0 | 7.0 | ||
Ni | - | Remainder | ||
Co | 14.0 | 15.0 | ||
W | 5.0 | 6.5 | ||
Al | 3.9 | 4.8 | ||
Ti | 2.2 | 2.9 | ||
B | - | 0.02 | ||
Fe | - | 3.0 | ||
V | 0.2 | 0.8 | ||
Mg | - | trace |
GH4220
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) |
---|---|---|---|---|---|---|
416 (≥) | 911 (≥) | 24 | 21 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
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 |
---|---|---|---|---|---|---|---|
969 (≥) | 456 (≥) | 24 | 33 | 13 | 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 |
|||||
563 | 286 | 455 |
We can customize the production of GH4220 grade, contact us for the best solution.
–sales@specificsteel.com