GH4146 Superalloys

GH4146 - Specification & Application

Nickel-base superalloy

Chemical composition(wt.%) of GH4146 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Cr 13.0 20.0
Mo 3.5 5.0
Ni - Remainder
Co 13.0 20.0
Al 2.5 3.25
Ti 2.5 3.25
B - 0.01
Fe - 4.0

GH4146 - Detail

GH4146

Mechanical properties of grade GH4146

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)
295 (≥) 962 (≥) 34 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical properties of grade GH4146

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 (≥) 565 (≥) 42 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
196 523 783

Equivalent Grade

Equivalent Products

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