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Description

China GB GB/T 14992 (2005) , GB/T 14993 (1994) , GH4049 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH4049
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH4049 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH4049

C Cr Mo Ni W Al Ti Fe Si Mn P S B Ce V
≤0.10 9.50 -11.0 4.50 -5.50 ≤Remainder 5.00 -6.00 3.70 -4.40 1.40 -1.90 ≤1.5 ≤0.50 ≤0.50 ≤0.010 ≤0.010 ≤0.015 ≤0.02 0.20 -0.50

Mechanical Properties of steel grade GH4049

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)
436 (≥) 651 (≥) 14 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade GH4049

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 -  
415 417 - 31.3 142   -  
646 - 44 33.2   413 311

Heat Treatment of steel grade GH4049

Heat treated : 1317°C - 1834°C

Technological Curves of steel grade GH4049

Cross Reference Table (Equivalent Grade) of GH4049

Grade Standard Country Application
GH4049

Relevant standard of GH4049

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

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