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Description

China GBT GH4302 Nickel base superalloy and GH4302 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4302
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4302 GBT China Nickel base superalloy
GH2901
GH3170
GH3333
GH4118
GH4141
GH4145
GH4146
GH4151
GH4180
GH4220

Chemical composition(mass fraction)(wt.%) of the GH4302

C(%) Mn(%) Cr(%) Ni(%) Mo(%) W(%) B(%) Al(%) Ti(%) Other(%)
Max 0.08 Max 0.6 12.0-16.0 38.0-42.0 1.5-2.5 3.5-4.5 Max 0.01 1.8-2.3 2.3-2.8 Ce:Max 0.02,Zr:Max 0.05

Mechanical Properties of steel grade GH4302

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)
529 (≥) 968 (≥) 22 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade GH4302

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
14 - -     0.42 -  
814 862 - 34.3 241   -  
626 - 14 21.2   212 224

Heat Treatment of steel grade GH4302

Heat treated : 1347°C - 1586°C

Technological Curves of steel grade GH4302

Cross Reference Table (Equivalent Grade) of GH4302

Grade Standard Country Application
GH4302 GBT China Nickel base superalloy

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