Inconel 718

Applications 

Jet engine rings, discs, shafts, compressor blades, seals, spacers. Fasteners, nuclear, oil & gas components.

Composition nominal wt. % 

A1 0.5, C 0.02, Cb 5.3, Cr 19.0, Fe rem, Mo 3.1, Ni 54.0, Ti 0.9

Specifications 

AMS 5662, 5663, 5664, 5596, 5597; B50TF181, -14, -15.
MIL-N-24469; RDT m2-18T; ASTM B 637; LBO 170-186.

Density lb/in3 (gcm3) 

0.296 (8.19)

Metallurgical Condition 

1,800°F + age

Tensile Strength ksi (MPa) 

195 (1,345)

0.2% Yield Strength ksi (MPa) 

160 (1,104)

Elongation % 

22

Reduction in Area % 

35

Hardness 

42 HRC

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