GH2302 Stainless Steels to GB/T 14992 (2005)

GH2302 - Specification & Application

  • GB/T 14992 (2005) - Classification and designation for superalloys and high temperature intermetallic materials
  • GB/T 14993 (1994) - Hot-rolled heat-resisting superalloy bars for rotating parts
  • 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 GH2302 grade: to GB/T 14992 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Cr 12.0 16.0
Mo 1.50 2.50
Ni 38.0 42.0
W 3.50 4.50
Al 1.80 2.80
Ti 2.30 2.80
Si - 0.60
Mn - 0.60
P - 0.020
S - 0.010
B - 0.01
Ce - 0.02
Zr - 0.05

GH2302 - Detail

GH2302

Mechanical properties of grade GH2302 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)
964 (≥) 863 (≥) 32 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade GH2302 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
595 (≥) 644 (≥) 11 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
623 997 288

Equivalent Grade

Equivalent Products

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