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GBT GH2018

  • GBT GH2018 Details

    GBT standard material GH2018 belongs to the China, from the steel to the finished product, we have the perfect technology and many years of accumulation of experience, we can now produce products include steel coil, sheet, plate,round bar, square steel, steel wire, steel pipe, forgings, other...

    GH2018 Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%)
C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) W(%) Al(%) Ti(%) Other(%)
≤0.06 0.6 0.5 0.02 0.015 18.0-21.0 40.0-44.0 3.70-4.30 1.80-2.20 0.35-0.75 1.80-2.20 B≤0.015,Ce≤0.02,Zr≤0.05
Mechanical properties of grade GH2018
Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition HBW
943 (≥) 765 (≥) 13 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Physical properties of grade GH2018
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
326 (≥) 113 (≥) 13 43 32 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
- - -
951 796 914 - - -
GH2018 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
  • Equivalent Grade

    GH2018 |
  • Standard No.

  • Machinability

    • Machinability
  • Heat Treatment

    • Heat Treatment