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GH90

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GH80A GH93
#GH90

Description

China GBT GH90 wrought Fe/Ni-base superalloy and GH90 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH90
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH90 GBT China wrought Fe/Ni-base superalloy
GH128
GH170
GH536
GH600
GH625
GH652
GH33
GH37
GH49
GH80A

Chemical composition(mass fraction)(wt.%) of the GH90

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%) Co(%) B(%) Al(%) Ti(%) Fe(%)
≤0. 13 0.80 0.40 0.020 0.015 18.00~21_00 Bal 0.200 15.00-21.00 ≤0.020 1.00-2.00 2* 00-3.00 ≤1.50

Mechanical Properties of steel grade GH90

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)
783 (≥) 541 (≥) 11 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade GH90

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 - -     0.31 -  
699 328 - 23.3 324   -  
788 - 22 24.2   132 234

Heat Treatment of steel grade GH90

Heat treated : 1522°C - 1689°C

Technological Curves of steel grade GH90

Cross Reference Table (Equivalent Grade) of GH90

Grade Standard Country Application
GH901 GBT China wrought Fe/Ni-base superalloy
GH903 GBT China wrought Fe/Ni-base superalloy
GH907 GBT China wrought Fe/Ni-base superalloy
GH909 GBT China wrought Fe/Ni-base superalloy
GH90 GBT China wrought Fe/Ni-base superalloy
GH80A GH93
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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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