GH1040 Stainless Steels to GB/T 14992 (2005)

GH1040 - Specification & Application

  • GB/T 14992 (2005) - Classification and designation for superalloys and high temperature intermetallic materials
  • GB/T 14994 (2008) - Cold brawn heat-resisting superalloy bars

Classification and designation for superalloys and high temperature intermetallic materials

Chemical composition(wt.%) of GH1040 grade: to GB/T 14992 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.12
Cr 15.0 17.5
Mo 5.50 7.00
Ni 24.0 27.0
Si 0.50 1.00
Mn 1.00 2.00
P - 0.030
S - 0.020
N 0.10 0.20

GH1040 - Detail

GH1040

Mechanical properties of grade GH1040 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)
173 (≥) 954 (≥) 32 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade GH1040 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
133 (≥) 997 (≥) 12 22 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 411
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
611 176 312

Equivalent Grade

Equivalent Products

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