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GH1138

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GH1014 GH1139
#GH1138

Description

China GBT GH1138 High temperature iron base alloy and GH1138 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH1138
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH1138 GBT China High temperature iron base alloy
GH3044
GH3128
GH4033
GH4037
GH4043
GH4049
GH4133
GH4169
GH1013
GH1014

Chemical composition(mass fraction)(wt.%) of the GH1138

C(％) Mn(％) Cr(％) Ni(％) Mo(％) W(%) B(%) Nb(%) Al(%) Fe(%) Other(%)
Max 0.10 1.0-2.0 18.0-22.0 35.0-40.0 2.0-2.6 4.5-5.2 Max 0.008 1.0-1.7 Max 0.5 Balance Si:Max 0.8,Ce:Max 0.05,N :0.10-0.25,Zr:Max 0.05

Mechanical Properties of steel grade GH1138

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)
378 (≥) 756 (≥) 22 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical Properties of steel grade GH1138

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
22 - -     0.13 -  
398 533 - 34.3 322   -  
855 - 42 13.2   234 433

Heat Treatment of steel grade GH1138

Heat treated : 1553°C - 1884°C

Technological Curves of steel grade GH1138

Cross Reference Table (Equivalent Grade) of GH1138

Grade Standard Country Application
GH1138 GBT China High temperature iron base alloy
GH1014 GH1139
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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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