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Description

China GB GH4145 Superalloys Nickel-base superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: GH4145
Category Class Grade Standard Country Application
Steel GradesSuperalloys GH4145 GB China Nickel-base superalloy

Chemical composition(mass fraction)(wt.%) of the GH4145

C Cr Ni Co Al Nb+Ta Ti Fe
≤0.08 14.0 -17.0 ≤Remainder ≤1.0 0.4 -1.0 0.7 -1.2 2.25 -2.75 5.0 -7.0

Mechanical Properties of steel grade GH4145

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)
658 (≥) 367 (≥) 43 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade GH4145

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 - -     0.41 -  
418 464 - 12.3 313   -  
751 - 23 24.2   232 113

Heat Treatment of steel grade GH4145

Heat treated : 1849°C - 1923°C

Technological Curves of steel grade GH4145

Cross Reference Table (Equivalent Grade) of GH4145

Grade Standard Country Application
GH4145
GH4145

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