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MGH4754

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MGH2757 MGH4755
#MGH4754

Description

China GBT MGH4754 oxide dispersion strengthened superalloy and MGH4754 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: MGH4754
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy MGH4754 GBT China oxide dispersion strengthened superalloy
HGH642
HGH648
FGH 4095
FGH4096
FGH4097
FGH95
FGH96
FGH97
MGH2756
MGH2757

Chemical composition(mass fraction)(wt.%) of the MGH4754

C(％) S(％) Cr(％) Ni(％) Al(%) Ti(%) O(%) Fe(%) Other(%)
≤0.05 ≤0.005 18.50-21.50 Bal 0.25-0.55 0.40-0.70 ≤0.50 ≤1.20 Y2O2:0.50-0.70

Mechanical Properties of steel grade MGH4754

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)
234 (≥) 999 (≥) 34 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade MGH4754

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
43 - -     0.41 -  
216 118 - 13.3 421   -  
124 - 13 12.2   414 333

Heat Treatment of steel grade MGH4754

Heat treated : 1773°C - 1184°C

Technological Curves of steel grade MGH4754

Cross Reference Table (Equivalent Grade) of MGH4754

Grade Standard Country Application
MGH4754 GBT China oxide dispersion strengthened superalloy
MGH2757 MGH4755
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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