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Description

China GB GB/T 14992 (2005) , GB/T 14994 (2008) , GB/T 14995 (2010) , GB/T 14996 (2010) , GB/T 14998 (1994) , GB/T 15062 (2008) , GH3030 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH3030
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH3030 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH3030

C Cr Ni Al Ti Fe Si Mn P S
≤0.12 19.0 -22.0 ≤Remainder ≤0.15 0.15 -0.35 ≤1.5 ≤0.80 ≤0.70 ≤0.030 ≤0.020

Mechanical Properties of steel grade GH3030

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)
298 (≥) 646 (≥) 14 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade GH3030

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
13 - -     0.12 -  
558 264 - 24.3 222   -  
357 - 43 13.2   323 111

Heat Treatment of steel grade GH3030

Heat treated : 1864°C - 1238°C

Technological Curves of steel grade GH3030

Cross Reference Table (Equivalent Grade) of GH3030

Grade Standard Country Application
GH3030

Relevant standard of GH3030

GB/T 14992 (2005) Classification and designation for superalloys and high temperature intermetallic materials GB-T-14992--(2005)--.pdf
GB/T 14994 (2008) Cold brawn heat-resisting superalloy bars GB-T-14994--(2008)-.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
GB/T 14998 (1994) Heat-resisting superalloy blanks for forged rings GB-T-14998--(1994)-.pdf
GB/T 15062 (2008) Superalloy tube for general application GB-T-15062--(2008)-.pdf

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