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GB GH4761 Details

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GH4761 Application:Nickel-base superalloy

Category Type Grade Designations
Grades Superalloys GH4761 China - GB ,

Chemical composition(wt.%) of GH4761 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.02 0.07
Cr 12.0 14.0
Mo 1.4 1.9
Ni 42.0 45.0
W 2.8 3.2
Al 1.4 1.85
Ti 3.15 3.65
B - 0.01
Ce - 0.03
GH4761

Mechanical properties of grade GH4761

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)
571 (≥) 119 (≥) 31 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical properties of grade GH4761

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
777 (≥) 422 (≥) 41 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
775 458 182

GH4761 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
GH4761 GB China
Nickel-base superalloy

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