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GH4738

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GH4710 GH4742
#GH4738

Description

China GBT GH4738 wrought Fe/Ni-base superalloy and GH4738 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH4738
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH4738 GBT China wrought Fe/Ni-base superalloy
GH4199
GH4202
GH4220
GH4413
GH4500
GH4586
GH4648
GH4698
GH4708
GH4710

Chemical composition(mass fraction)(wt.%) of the GH4738

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Co(%) B(%) Nb(%) Al(%) Ti(%) La(%) Fe(%)
0.03-0.10 0.15 0.10 0.015 0.015 18.00-21.00 Bal 3.50-5.00 0.100 12.00-15.00 0.003 -0.010 - 1.20 -1.60 2.75 -3.25 - ≤2.00

Mechanical Properties of steel grade GH4738

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)
257 (≥) 188 (≥) 43 34 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade GH4738

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
42 - -     0.24 -  
918 432 - 42.3 242   -  
344 - 31 12.2   133 241

Heat Treatment of steel grade GH4738

Heat treated : 1867°C - 1365°C

Technological Curves of steel grade GH4738

Cross Reference Table (Equivalent Grade) of GH4738

Grade Standard Country Application
GH4738 GBT China Nickel base superalloy
GH4738 GBT China wrought Fe/Ni-base superalloy
GH4710 GH4742
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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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