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GH698

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GH648 GH708
#GH698

Description

China GBT GH698 wrought Fe/Ni-base superalloy and GH698 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH698
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH698 GBT China wrought Fe/Ni-base superalloy
GH145
GH163
GH169
GH199
GH202
GH220
GH413
GH500
GH586
GH648

Chemical composition(mass fraction)(wt.%) of the GH698

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) W(%) Cu(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
≤0.08 0.60 0.40 0.015 0.007 13.00-16.00 Bal 2.80-3.20 - 0.070 ≤0.005 1.80 -2. 20 1. 30-1. 70 2. 35-2. 75 ≤2.00

Mechanical Properties of steel grade GH698

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)
877 (≥) 799 (≥) 13 13 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade GH698

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
11 - -     0.21 -  
216 198 - 42.3 142   -  
227 - 31 41.2   434 341

Heat Treatment of steel grade GH698

Heat treated : 1448°C - 1539°C

Technological Curves of steel grade GH698

Cross Reference Table (Equivalent Grade) of GH698

Grade Standard Country Application
GH698 GBT China wrought Fe/Ni-base superalloy
GH648 GH708
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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