GBT GH4302

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GBT GH4302

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GH4302 Application:Nickel base superalloy

Chemical composition(mass fraction)(wt.%) of the GH4302
C(%) Mn(%) Cr(%) Ni(%) Mo(%) W(%) B(%) Al(%) Ti(%) Other(%)
Max 0.08 Max 0.6 12.0-16.0 38.0-42.0 1.5-2.5 3.5-4.5 Max 0.01 1.8-2.3 2.3-2.8 Ce:Max 0.02,Zr:Max 0.05

Mechanical properties of grade GH4302

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
277 (≥) 564 (≥) 12 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical properties of grade GH4302

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
984 (≥) 914 (≥) 12 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
- - -
297 453 122 - - -

GH4302 Range of products
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