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Description

China GB GH4698 Superalloys Nickel-base superalloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: GH4698
Category Class Grade Standard Country Application
Steel GradesSuperalloys GH4698 GB China Nickel-base superalloy

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

C Cr Mo Ni Al Nb Ti B Fe Ce
≤0.08 13.0 -16.0 2.8 -3.2 ≤Remainder 1.3 -1.7 1.8 -2.2 2.35 -2.75 ≤0.005 ≤2.0 ≤0.005

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)
335 (≥) 544 (≥) 41 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

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
22 - -     0.42 -  
486 824 - 22.3 332   -  
685 - 42 31.2   413 324

Heat Treatment of steel grade GH4698

Heat treated : 1531°C - 1965°C

Technological Curves of steel grade GH4698

Cross Reference Table (Equivalent Grade) of GH4698

Grade Standard Country Application
GH4698
GH4698

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