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Inconel® Alloy 718

Inconel® Alloy 718 is a nickel-chromium-molybdenum super alloy designed for resisting a wide range of severely corrosive environments,crevice corrosion and pitting . This nickel alloy also displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. Inconel 718 is used from cryogenic temperatures up to long term service at 1200° F.

Specifications

Standard Inconel® Alloy 718
1 UNS N07718
2 Werkstoff Nr. 2.4668

Chemical Composition

Inconel® Alloy 718
Ni 50 – 55
Fe Bal
Cr 17 – 21
Cu 0.3 max
Mn 0.35 max
P 0.015 max
S 0.015 max
Si 0.35 max
Ti 0.65 – 1.15
Al 0.2 – 0.8
Co 1.0 max
B 0.006 max

Mechanical & Physical Properties

Density 8.2 g/cm3
Melting Point 1350 °C (2460 °F)
Tensile Strength Psi – 135,000 , MPa – 930
Yield Strength (0.2%Offset) Psi – 70,000 , MPa – 482
Elongation 45 %

Inconel® is a registered trademark of the Special Metals Corporation group of companies