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Description

China GB GH1139 Superalloys Iron-based superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: GH1139
Category Class Grade Standard Country Application
Steel GradesSuperalloys GH1139 GB China Iron-based superalloy

Chemical composition(mass fraction)(wt.%) of the GH1139

C Cr Ni B Mn Si N
≤0.12 23.0 -26.0 15.0 -18.0 ≤0.01 5.0 -7.0 ≤1.0 0.30 -0.45

Mechanical Properties of steel grade GH1139

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)
436 (≥) 134 (≥) 41 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade GH1139

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
23 - -     0.31 -  
196 799 - 31.3 422   -  
326 - 12 42.2   433 412

Heat Treatment of steel grade GH1139

Heat treated : 1724°C - 1246°C

Technological Curves of steel grade GH1139

Cross Reference Table (Equivalent Grade) of GH1139

Grade Standard Country Application
GH1139
GH1139

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