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GH128

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GH44 GH170
#GH128

Description

China GBT GH128 wrought Fe/Ni-base superalloy and GH128 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH128
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH128 GBT China wrought Fe/Ni-base superalloy
GH761
GH901
GH903
GH907
GH909
GH984
GH5K
GH30
GH39
GH44

Chemical composition(mass fraction)(wt.%) of the GH128

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Cu(%) B(%) Al(%) Ti(%) Fe(%)
≤0.05 0.80 0. 50 0-013 0.013 19.00-22.00 Bal 50-9.00 7. 50-9.00 - ≤0.005 0.40 -0.80 0. 40-0. 80 ≤2.00

Mechanical Properties of steel grade GH128

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)
369 (≥) 873 (≥) 31 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade GH128

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 - -     0.42 -  
617 852 - 13.3 232   -  
246 - 31 32.2   123 232

Heat Treatment of steel grade GH128

Heat treated : 1481°C - 1943°C

Technological Curves of steel grade GH128

Cross Reference Table (Equivalent Grade) of GH128

Grade Standard Country Application
GH128 GBT China wrought Fe/Ni-base superalloy
HGH128 GBT China Super alloy welding wire
GH44 GH170
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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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