GH3128

GH3128 Stainless Steels to GB/T 14992 (2005)

GH3128 - 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 GH3128 grade: to GB/T 14992 (2005)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.05
Cr 19.0 22.00
Mo 7.50 9.00
Ni - Remainder
W 7.50 9.00
Al 0.40 0.80
Ti 0.40 0.80
Fe - 2.0
Si - 0.80
Mn - 0.50
P - 0.013
S - 0.013
B - 0.005
Ce - 0.05
Zr - 0.06

GH3128 - Detail

GH3128

Mechanical properties of grade GH3128 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)
946 (≥) 177 (≥) 33 13 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade GH3128 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
185 (≥) 814 (≥) 31 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
735 888 742

Equivalent Grade

1 GH3128 2 GH3128

Equivalent Products

Product shapes we supply:

We can customize the production of GH3128 grade, contact us for the best solution.
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