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Description

China GB GH4302 Superalloys Nickel-base superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: GH4302
Category Class Grade Standard Country Application
Steel GradesSuperalloys GH4302 GB China Nickel-base superalloy

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

C Cr Mo Ni W Al Ti B Mn Ce Zr
≤0.08 12.0 -16.0 1.5 -2.5 38.0 -42.0 3.5 -4.5 1.8 -2.3 2.3 -2.8 ≤0.01 ≤0.6 ≤0.02 ≤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)
776 (≥) 392 (≥) 42 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

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
33 - -     0.44 -  
934 236 - 22.3 412   -  
353 - 23 33.2   424 131

Heat Treatment of steel grade GH4302

Heat treated : 1163°C - 1582°C

Technological Curves of steel grade GH4302

Cross Reference Table (Equivalent Grade) of GH4302

Grade Standard Country Application
GH4302
GH4302

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