GH4180 Superalloys

GH4180 - Specification & Application

Nickel-base superalloy

Chemical composition(wt.%) of GH4180 grade:

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 - Detail

GH4180

Mechanical properties of grade 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)
546 (≥) 738 (≥) 23 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical properties of grade GH4180

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
283 (≥) 396 (≥) 34 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 343
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
799 174 355

Equivalent Grade

Equivalent Products

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