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MGH4758

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MGH4755 MGH754
#MGH4758

Description

China GBT MGH4758 oxide dispersion strengthened superalloy and MGH4758 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: MGH4758
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy MGH4758 GBT China oxide dispersion strengthened superalloy
FGH 4095
FGH4096
FGH4097
FGH95
FGH96
FGH97
MGH2756
MGH2757
MGH4754
MGH4755

Chemical composition(mass fraction)(wt.%) of the MGH4758

C(％) S(％) Cr(％) Ni(％) Al(%) Ti(%) O(%) Fe(%) Other(%)
≤0.05 ≤0.005 28.00-32.00 Bal 0.25-0.55 0.40-0.70 ≤0.50 ≤1.20 Y2O2:0.50-0.70

Mechanical Properties of steel grade MGH4758

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)
115 (≥) 274 (≥) 14 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade MGH4758

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
32 - -     0.32 -  
691 495 - 21.3 432   -  
748 - 21 44.2   222 434

Heat Treatment of steel grade MGH4758

Heat treated : 1256°C - 1315°C

Technological Curves of steel grade MGH4758

Cross Reference Table (Equivalent Grade) of MGH4758

Grade Standard Country Application
MGH4758 GBT China oxide dispersion strengthened superalloy
MGH4755 MGH754
Available Suppliers
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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