GBT K4002

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GBT K4002

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K4002 Application:Age hardening type Nickel base alloy

Chemical composition(mass fraction)(wt.%) of the K4002
C(%) Cr(%) Ni(%) Mo(%) W(%) Co(%) B(%) Al(%) Ti(%) Ta(%) Other(%)
0.13-0.17 8.0-10.0 Balance Max 0.5 9.0-11.0 9.0-11.0 0.01-0.02 5.25-5.75 1.25-1.75 2.25-2.75 Hf: 1.3-1.7,Zr:0.03-0.08

Mechanical properties of grade K4002

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
965 (≥) 583 (≥) 14 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical properties of grade K4002

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
248 (≥) 233 (≥) 22 24 12 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
- - -
562 665 277 - - -

K4002 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