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GH3128

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GH3044 GH4033
#GH3128

Description

China GB GB/T 14992 (2005) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH3128 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH3128
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH3128 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH3128

C Cr Mo Ni W Al Ti Fe Si Mn P S B Ce Zr
≤0.05 19.0 -22.00 7.50 -9.00 ≤Remainder 7.50 -9.00 0.40 -0.80 0.40 -0.80 ≤2.0 ≤0.80 ≤0.50 ≤0.013 ≤0.013 ≤0.005 ≤0.05 ≤0.06

Mechanical Properties of steel grade GH3128

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)
942 (≥) 631 (≥) 31 33 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade GH3128

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
34 - -     0.42 -  
357 624 - 32.3 414   -  
769 - 13 31.2   221 134

Heat Treatment of steel grade GH3128

Heat treated : 1817°C - 1779°C

Technological Curves of steel grade GH3128

Cross Reference Table (Equivalent Grade) of GH3128

Grade Standard Country Application
GH3128

Relevant standard of GH3128

GB/T 14992 (2005) Classification and designation for superalloys and high temperature intermetallic materials GB-T-14992--(2005)--.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
GH3044 GH4033
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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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