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Description

China GBT GH4180 Nickel base superalloy and GH4180 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4180
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4180 GBT China Nickel base superalloy
GH1139
GH1167
GH2901
GH3170
GH3333
GH4118
GH4141
GH4145
GH4146
GH4151

Chemical composition(mass fraction)(wt.%) of the GH4180

C(%) Cr(%) Ni(%) Co(%) B(%) Al(%) Ti(%) Fe(%)
0.04-0.10 18.0-21.0 Balance Max 2.0 Max 0.008 1.0-1.8 1.8-2.7 Max 1.5

Mechanical Properties of steel grade GH4180

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)
871 (≥) 582 (≥) 42 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade GH4180

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
31 - -     0.32 -  
777 139 - 33.3 241   -  
181 - 32 24.2   242 443

Heat Treatment of steel grade GH4180

Heat treated : 1316°C - 1256°C

Technological Curves of steel grade GH4180

Cross Reference Table (Equivalent Grade) of GH4180

Grade Standard Country Application
GH4180 GBT China Nickel base superalloy

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