GH4738

This page provides GH4738 datasheet, GH4738 mechanical properties, chemical element GH4738, technical specifications of GH4738 steel material properties. GH4738 performance specifications.

GBT GH4738
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4738 GBT China Nickel base superalloy
GH4118
GH4141
GH4145
GH4146
GH4151
GH4180
GH4220
GH4302
GH4698
GH4710
Datasheet for:Steel Grades:Special Alloy:GH4738

Chemical composition(mass fraction)(wt.%) of the GH4738

C(%) Cr(%) Ni(%) Mo(%) Co(%) B(%) Al(%) Ti(%) Other(%)
0.03-0.10 18.0-21.0 Balance 3.5-5.0 12.0-15.0 0.003-0.0 1.2-1.6 2.75-3.25 Zr :0.02-0.08

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade GH4738

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)
787 (≥) 727 (≥) 24 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
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 - -     0.32 -  
245 786 - 24.3 344   -  
572 - 11 31.2   233 423
Heat treated : 1192°C - 1954°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GH4738 GBT China
Nickel base superalloy
GH4738

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