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GH2018

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GH1140 GH2036
#GH2018

Description

China GB GB/T 14992 (1994) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH2018 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH2018
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH2018 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH2018

C Cr Mo Ni W Al Ti Si Mn P S B Ce Zr
≤0.06 18.0 -21.0 3.70 -4.30 40.0 -44.0 1.80 -2.20 0.35 -0.75 1.80 -2.20 ≤0.60 ≤0.50 ≤0.020 ≤0.015 ≤0.015 ≤0.02 ≤0.05

Mechanical Properties of steel grade GH2018

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)
611 (≥) 582 (≥) 24 33 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade GH2018

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
33 - -     0.43 -  
223 259 - 11.3 211   -  
175 - 12 33.2   132 134

Heat Treatment of steel grade GH2018

Heat treated : 1572°C - 1254°C

Technological Curves of steel grade GH2018

Cross Reference Table (Equivalent Grade) of GH2018

Grade Standard Country Application
GH2018

Relevant standard of GH2018

GB/T 14992 (1994) Classification and designation for superalloys and high temperature intermetallic materials GB-T-14992--(1994)-.pdf
GB/T 14995 (2010) Hot-rolled superalloy sheets GB-T-14995--(2010)-.pdf
GB/T 14996 (2010) Cold-Rolled heat-resisting superalloy sheets GB-T-14996--(2010)-.pdf
GH1140 GH2036
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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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