GH4169 Superalloys to GB/T 14992 (2005)

GH4169 - 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 GH4169 grade: to GB/T 14992 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Cr 17.0 21.0
Mo 2.80 3.30
Ni 50.0 55.0
Al 0.20 0.60
Nb 4.75 5.50
Fe - Remainder
Si - 0.35
Mn - 0.35
P - 0.015
S - 0.015
B - 0.006

GH4169 - Detail

GH4169

Mechanical properties of grade GH4169 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)
313 (≥) 763 (≥) 23 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical properties of grade GH4169 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
522 (≥) 248 (≥) 41 43 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
794 358 212

Equivalent Grade

Equivalent Products

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