Inconel 718 Couplings

Inconel 718 Couplings are critical piping components supplied by Zeron Fasteners, manufactured from the high-performance, precipitation-hardenable nickel-chromium superalloy known as Inconel 718 (UNS N07718). This material is specifically engineered to exhibit outstanding yield, tensile, and creep-rupture properties at temperatures up to 1300°F (704°C), making it a prime choice for extremely demanding applications. These couplings are used to securely connect two sections of pipe in systems where integrity under severe conditions is non-negotiable. Key applications include aerospace engine components, gas turbines, rocket motors, and equipment in the oil & gas and chemical processing industries, where they provide superior resistance to oxidation and corrosion in harsh environments.

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Inconel 718 Pipe Fittings (Elbows, Tees, Reducers) Inconel 718 Flanges Inconel 718 Bolts and Studs Inconel 718 Hex Nuts and Washers Inconel 718 Threaded Rods
Inconel 718 Couplings

Inconel 718 Couplings Chemical Composition

Inconel 718 (UNS N07718) Chemical Composition (Weight %)
Nickel (Ni) + Cobalt (Co) 50.00 - 55.00
Chromium (Cr) 17.00 - 21.00
Iron (Fe) Balance
Niobium (Nb) + Tantalum (Ta) 4.75 - 5.50
Molybdenum (Mo) 2.80 - 3.30
Titanium (Ti) 0.65 - 1.15
Aluminium (Al) 0.20 - 0.80
Cobalt (Co) 1.00 max
Carbon (C) 0.08 max
Manganese (Mn) 0.35 max
Silicon (Si) 0.35 max

Inconel 718 Couplings Mechanical Properties

Inconel 718 (UNS N07718) Mechanical Properties (Aged Condition)
Tensile Strength (min) 185 ksi (1275 MPa)
Yield Strength (0.2% Offset, min) 150 ksi (1034 MPa)
Elongation in 2 in. (min) 12%
Reduction of Area (min) 15%
Hardness (Brinell, min) 331 HB (36 HRC)
Density 8.22 g/cm³ (0.297 lb/in³)

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