GH2302

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)
638 (≥) 733 (≥) 43 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

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
325 (≥) 343 (≥) 21 24 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 214
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
623 117 484

Equivalent Grade

1 GH2302 2 GH2302

Equivalent Products

Product shapes we supply:

We can customize the production of GH2302 grade, contact us for the best solution.
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