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Description

China GBT GH4698 wrought Fe/Ni-base superalloy and GH4698 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4698
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4698 GBT China wrought Fe/Ni-base superalloy
GH4145
GH4163
GH4169
GH4199
GH4202
GH4220
GH4413
GH4500
GH4586
GH4648

Chemical composition(mass fraction)(wt.%) of the GH4698

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Cu(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
≤0.08 0.60 0.40 0.015 0.007 13.00-16.00 Bal 2.80-3.20 - 0.070 ≤0.005 1.80 -2. 20 1. 30-1. 70 2. 35-2. 75 ≤2.00

Mechanical Properties of steel grade GH4698

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)
936 (≥) 333 (≥) 34 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade GH4698

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
41 - -     0.43 -  
682 782 - 44.3 414   -  
822 - 14 43.2   344 334

Heat Treatment of steel grade GH4698

Heat treated : 1678°C - 1952°C

Technological Curves of steel grade GH4698

Cross Reference Table (Equivalent Grade) of GH4698

Grade Standard Country Application
GH4698 GBT China Nickel base superalloy
GH4698 GBT China wrought Fe/Ni-base superalloy

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