GH1131

GH1131 Stainless Steels to GB/T 14992 (2005)

GH1131 - Specification & Application

  • GB/T 14992 (2005) - Classification and designation for superalloys and high temperature intermetallic materials
  • GB/T 14995 (2010) - Hot-rolled superalloy sheets
  • GB/T 14996 (2010) - Cold-Rolled heat-resisting superalloy sheets

Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(wt.%) of GH1131 grade: to GB/T 14992 (2005)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.10
Cr 19.0 22.0
Mo 2.80 3.50
Ni 25.0 30.0
W 4.80 6.00
Nb 0.70 1.30
Si - 0.80
Mn - 1.20
P - 0.020
S - 0.020
B - 0.005
N 0.15 0.30

GH1131 - Detail

GH1131

Mechanical properties of grade GH1131 GB/T 14992 (2005)

Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
885 (≥) 133 (≥) 12 32 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade GH1131 GB/T 14992 (2005)

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
927 (≥) 989 (≥) 24 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
638 541 818

Equivalent Grade

1 GH1131 2 GH1131

Equivalent Products

Product shapes we supply:

We can customize the production of GH1131 grade, contact us for the best solution.
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