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GB GH4146 Details

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GH4146 Application:Nickel-base superalloy

Category Type Grade Designations
Grades Superalloys GH4146 China - GB ,

Chemical composition(wt.%) of GH4146 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Cr 13.0 20.0
Mo 3.5 5.0
Ni - Remainder
Co 13.0 20.0
Al 2.5 3.25
Ti 2.5 3.25
B - 0.01
Fe - 4.0
GH4146

Mechanical properties of grade GH4146

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)
147 (≥) 598 (≥) 14 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical properties of grade GH4146

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
581 (≥) 549 (≥) 32 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
126 231 139

GH4146 - 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
GH4146 GB China
Nickel-base superalloy

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