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GH99

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GH98 GH105
#GH99

Description

China GBT GH99 wrought Fe/Ni-base superalloy and GH99 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH99
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH99 GBT China wrought Fe/Ni-base superalloy
GH600
GH625
GH652
GH33
GH37
GH49
GH80A
GH90
GH93
GH98

Chemical composition(mass fraction)(wt.%) of the GH99

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) W(%) Cu(%) Co(%) B(%) Al(%) Ti(%) Mg(%) Fe(%)
≤0.08 0.50 0.40 0.015 0.015 17.00-20.00 Bal 3. 50-4. 50 - 5.00-7.00 . 5.00-8.00 ≤0.005 1.70-2. 40 1.00 -1.50 ≤0.010 ≤2.00

Mechanical Properties of steel grade GH99

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)
872 (≥) 598 (≥) 14 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade GH99

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
21 - -     0.31 -  
334 596 - 23.3 433   -  
769 - 31 32.2   212 214

Heat Treatment of steel grade GH99

Heat treated : 1792°C - 1986°C

Technological Curves of steel grade GH99

Cross Reference Table (Equivalent Grade) of GH99

Grade Standard Country Application
GH99 GBT China wrought Fe/Ni-base superalloy
GH98 GH105
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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