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Description

China GBT GH4145 wrought Fe/Ni-base superalloy and GH4145 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4145
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4145 GBT China wrought Fe/Ni-base superalloy
GH4049
GH4080A
GH4090
GH4093
GH4098
GH4099
GH4105
GH4133
GH4133B
GH4141

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

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) V(%) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) Mg(%) Fe(%)
≤0.08 0.50 1.00 0.015 0.010 14.00-17.00 >70.00 - - 0.500 ≤1.00 - 0.70 -1.20 0‘40 -1.00 2:25-2. 75 - 5.00 -9.00

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)
919 (≥) 831 (≥) 44 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

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
31 - -     0.21 -  
893 925 - 42.3 143   -  
446 - 31 21.2   414 112

Heat Treatment of steel grade GH4145

Heat treated : 1489°C - 1669°C

Technological Curves of steel grade GH4145

Cross Reference Table (Equivalent Grade) of GH4145

Grade Standard Country Application
GH4145 GBT China Nickel base superalloy
GH4145 GBT China wrought Fe/Ni-base superalloy
HGH4145 GBT China Super alloy welding wire

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