Inconel 718 Washers (UNS N07718, WNR 2.4668)

Inconel 718 Washers are essential components in any critical bolted assembly, serving to distribute the load of a fastener evenly, prevent damage to the joint surface, and act as a pre-stress indicator. They are manufactured from the age-hardenable Nickel Alloy 718 (UNS N07718), a superalloy prized for its combination of very high strength, excellent corrosion resistance, and remarkable creep and rupture strength up to $700∘C. When used alongside Inconel 718 bolts and nuts, these Alloy 718 flat washers ensure the integrity and longevity of the connection in highly demanding environments, including jet engines, chemical reactors, and deep-sea oil extraction equipment. Zeron Fastners offers a full range of plain and locking washers, precisely manufactured to dimensional standards, guaranteeing consistent high-quality for all severe-service bolting applications.

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Inconel 718 Hex Bolts Inconel 718 Stud Bolts Inconel 718 Hex Nuts Inconel 718 Socket Head Cap Screws Inconel 718 Threaded Rods Inconel 718 Split Lock Washers Inconel 718 Taper Washers
Inconel 718 Washers

Inconel 718 Washers 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) $0.20 - 0.80$
Carbon (C) ≤ 0.08$
Manganese (Mn) ≤ 0.35$

Inconel 718 Washers Mechanical Properties

Property Minimum Value (Age-Hardened)
Tensile Strength (Ref) $1240 MPa / 180 KSI
Hardness (Rockwell C) $38 min
High Temp Stability Excellent creep resistance
Corrosion Rating Superior Pitting & SCC Resistance
Material Specification ASTM F2281 / B637

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