Aluminium Alloys

Inconel® Alloy 718

Application & Characteristics 
Excellent high temperature strength and oxidation resistance in the age hardened condition. Used in aircraft turbine engine parts, rocket motors and pumps.
Chemical Composition (%)
Ni 52.5; Cr 19.0; Cb 5.1; Mo 3.1; Ti 0.9; Al 0.5; C
0.08; Balance Fe
Physical Properties
Melting Range (°F)2300 – 2440
Density (lbs/in³) 68F0.296
Thermal Expansion (in/in °Fx10 to the power of -6)7.2 (70 – 200F)
Electrical Resistivity (ohms/cir mil/ft.) 68F753
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)140
Yield Strength (psi x 10³)70
Elongation ( % )30
HardnessB100(Rockwell)
Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)160
Yield Strength (psi x 10³)120
Elongation ( % )15
HardnessC30(Rockwell)
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)200
Yield Strength (psi x 10³)150
Elongation ( % )5
HardnessC40(Rockwell)

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