SAE Inconel 718

Grades | Superalloys | Inconel 718

SAE Inconel 718

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Inconel 718 Application:Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated

Chemical composition(mass fraction)(wt.%) of the Inconel 718
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.03
Cr 17.0 21.0
Mo 2.80 3.30
Ni 50.0 55.0
Al 0.20 0.60
Nb 4.75 5.50
Fe - Bal
Si - 0.35
Mn - 0.35
P - 0.015
S - 0.015
B - 0.006

Mechanical properties of grade Inconel 718

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
475 (≥) 466 (≥) 31 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical properties of grade Inconel 718

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
982 (≥) 371 (≥) 41 12 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		 - - -
348 699 563 - - -

Inconel 718 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