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Description

China GBT MGH2757 oxide dispersion strengthened superalloy and MGH2757 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: MGH2757
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy MGH2757 GBT China oxide dispersion strengthened superalloy
HGH356
HGH642
HGH648
FGH 4095
FGH4096
FGH4097
FGH95
FGH96
FGH97
MGH2756

Chemical composition(mass fraction)(wt.%) of the MGH2757

C(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Ti(%) Fe(%) Other(%)
≤0.20 - 9.00-15.00 ≤1.00 0.20-1.50 1.00-3.00 0.30-2.50 Bal Y2O2:0.20-1.00

Mechanical Properties of steel grade MGH2757

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)
193 (≥) 164 (≥) 13 42 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade MGH2757

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 - -     0.41 -  
514 741 - 32.3 414   -  
483 - 31 42.2   222 242

Heat Treatment of steel grade MGH2757

Heat treated : 1659°C - 1151°C

Technological Curves of steel grade MGH2757

Cross Reference Table (Equivalent Grade) of MGH2757

Grade Standard Country Application
MGH2757 GBT China oxide dispersion strengthened superalloy

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