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Description

China GBT GH4146 Nickel base superalloy and GH4146 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4146
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4146 GBT China Nickel base superalloy
GH1014
GH1138
GH1139
GH1167
GH2901
GH3170
GH3333
GH4118
GH4141
GH4145

Chemical composition(mass fraction)(wt.%) of the GH4146

C(%) Cr(%) Ni(%) Mo(%) Co(%) B(%) Al(%) Ti(%) Fe(%)
Max 0.15 13.0-20.0 Balance 3.5-5.0 13.0-20.0 Max 0.01 2.5-3.25 2.5-3.25 Max 4.0

Mechanical Properties of steel grade GH4146

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)
358 (≥) 632 (≥) 43 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade GH4146

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
12 - -     0.42 -  
754 852 - 23.3 423   -  
668 - 14 22.2   324 132

Heat Treatment of steel grade GH4146

Heat treated : 1237°C - 1451°C

Technological Curves of steel grade GH4146

Cross Reference Table (Equivalent Grade) of GH4146

Grade Standard Country Application
GH4146 GBT China Nickel base superalloy

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