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Description

China GB GB/T 14992 (2005) , GB/T 14995 (2010) , GB/T 14996 (2010) , GH1131 Specialsteel Classification and designation for superalloys and high temperature intermetallic materials and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: GH1131
Category Class Grade Standard Country Application
Steel GradesSpecialsteel GH1131 GB China Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(mass fraction)(wt.%) of the GH1131

C Cr Mo Ni W Nb Si Mn P S B N
≤0.10 19.0 -22.0 2.80 -3.50 25.0 -30.0 4.80 -6.00 0.70 -1.30 ≤0.80 ≤1.20 ≤0.020 ≤0.020 ≤0.005 0.15 -0.30

Mechanical Properties of steel grade GH1131

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)
229 (≥) 272 (≥) 13 33 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade GH1131

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 - -     0.32 -  
222 962 - 44.3 211   -  
733 - 23 14.2   433 134

Heat Treatment of steel grade GH1131

Heat treated : 1848°C - 1199°C

Technological Curves of steel grade GH1131

Cross Reference Table (Equivalent Grade) of GH1131

Grade Standard Country Application
GH1131

Relevant standard of GH1131

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

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