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Description

China GBT GH4118 Nickel base superalloy and GH4118 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4118
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4118 GBT China Nickel base superalloy
GH4133
GH4169
GH1013
GH1014
GH1138
GH1139
GH1167
GH2901
GH3170
GH3333

Chemical composition(mass fraction)(wt.%) of the GH4118

C(%) Cr(%) Ni(%) Mo(%) Co(%) B(%) Al(%) Ti(%) Fe(%) Other(%)
Max 0.20 14.0-16.0 Balance 3.0-5.0 13.5-15.5 0.01-0.025 4.5-5.0 3.5-4.5 Max 0.1 Zr:Max 0.15

Mechanical Properties of steel grade GH4118

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
984 (≥) 196 (≥) 32 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade GH4118

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.42 -  
583 564 - 23.3 131   -  
912 - 42 44.2   441 221

Heat Treatment of steel grade GH4118

Heat treated : 1175°C - 1698°C

Technological Curves of steel grade GH4118

Cross Reference Table (Equivalent Grade) of GH4118

Grade Standard Country Application
GH4118 GBT China Nickel base superalloy

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