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Description

China GBT GH33A wrought Fe/Ni-base superalloy and GH33A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: GH33A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy GH33A GBT China wrought Fe/Ni-base superalloy
GH652
GH33
GH37
GH49
GH80A
GH90
GH93
GH98
GH99
GH105

Chemical composition(mass fraction)(wt.%) of the GH33A

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) V(%) Cu(%) B(%) Nb(%) Al(%) Ti(%) Fe(%)
≤0.07 0.65 0.35 0.015 0.007 19.00-22.00 Bal 0.070 ≤0.010 1.15 -1.65 0.70 -1.20 2.50-3.00 ≤1. 50

Mechanical Properties of steel grade GH33A

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)
214 (≥) 974 (≥) 13 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade GH33A

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
43 - -     0.11 -  
283 687 - 34.3 143   -  
519 - 41 32.2   124 114

Heat Treatment of steel grade GH33A

Heat treated : 1311°C - 1414°C

Technological Curves of steel grade GH33A

Cross Reference Table (Equivalent Grade) of GH33A

Grade Standard Country Application
GH33A GBT China wrought Fe/Ni-base superalloy

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