Inconel 718 Hex Nuts (UNS N07718, WNR 2.4668)

Inconel 718 Hex Nuts are vital components, designed to mate with Inconel 718 stud bolts or hex bolts to create high-integrity, vibration-resistant bolted joints. These nuts are manufactured from the age-hardenable Alloy 718 (UNS N07718), providing outstanding tensile, creep, and fatigue strength at temperatures up to $700∘C. The material's unique metallurgical structure also grants it superior resistance to oxidation and stress-corrosion cracking in harsh chemical and aerospace environments. These Inconel 718 nuts are essential in securing critical connections in jet engines, gas turbines, offshore oil platforms, and petrochemical pressure vessels. Zeron Fastners ensures the supply of precisely threaded nuts, often in a heavy hex pattern, to guarantee reliable, long-lasting performance in the most severe service conditions.

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Inconel 718 Nuts

Inconel 718 Hex Nuts Chemical Composition

Element Composition (%)
Nickel (Ni) $50.0 - 55.0$
Chromium (Cr) $17.0 - 21.0$
Iron (Fe) Balance
Niobium (Nb) $4.75 - 5.50$
Molybdenum (Mo) $2.80 - 3.30$
Titanium (Ti) $0.65 - 1.15$
Aluminum (Al) $0.20 - 0.80$
Cobalt (Co) ≤ 1.0$
Carbon (C) ≤ 0.08$
Manganese (Mn) ≤ 0.35$

Inconel 718 Hex Nuts Mechanical Properties

Property Minimum Value (Age-Hardened)
Tensile Strength (on bolt) $1240 MPa / 180 KSI
Yield Strength (on bolt) $1035 MPa / 150 KSI
Proof Load Matches corresponding stud/bolt strength
Hardness (Rockwell C) $38 min
Max Service Temperature $704^\circ \text{C} / 1300^\circ \text{F}$

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