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Description

China GB GB/T 14992 (2005) , GB/T 14993 (1994) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH2302 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH2302
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH2302 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH2302

C Cr Mo Ni W Al Ti Si Mn P S B Ce Zr
≤0.08 12.0 -16.0 1.50 -2.50 38.0 -42.0 3.50 -4.50 1.80 -2.80 2.30 -2.80 ≤0.60 ≤0.60 ≤0.020 ≤0.010 ≤0.01 ≤0.02 ≤0.05

Mechanical Properties of steel grade GH2302

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)
968 (≥) 929 (≥) 12 32 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade GH2302

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
24 - -     0.22 -  
813 831 - 43.3 331   -  
367 - 14 33.2   411 333

Heat Treatment of steel grade GH2302

Heat treated : 1398°C - 1228°C

Technological Curves of steel grade GH2302

Cross Reference Table (Equivalent Grade) of GH2302

Grade Standard Country Application
GH2302

Relevant standard of GH2302

GB/T 14992 (2005) Classification and designation for superalloys and high temperature intermetallic materials GB-T-14992--(2005)-.pdf
GB/T 14993 (1994) Hot-rolled heat-resisting superalloy bars for rotating parts GB-T-14993--(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

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