GH4145 Superalloys

GH4145 - Specification & Application

Nickel-base superalloy

Chemical composition(wt.%) of GH4145 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Cr 14.0 17.0
Ni - Remainder
Co - 1.0
Al 0.4 1.0
Nb+Ta 0.7 1.2
Ti 2.25 2.75
Fe 5.0 7.0

GH4145 - Detail

GH4145

Mechanical properties of grade GH4145

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)
234 (≥) 567 (≥) 23 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical properties of grade GH4145

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
447 (≥) 461 (≥) 13 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 341
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
314 687 391

Equivalent Grade

Equivalent Products

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