Nickel Superalloy Fasteners

Nickel Superalloy Fasteners encompasses a range of bolts, nuts, studs, and screws manufactured from high-performance nickel-based alloys, such as Inconel, Hastelloy, or Waspaloy. These fasteners are engineered for use in the most demanding environments, characterized by extremely high temperatures (up to 1200°C), immense mechanical stress, and aggressive corrosive media (acids, alkalis, chlorides). Their core benefit is retaining superior strength and dimensional stability while resisting creep, fatigue, and oxidation far beyond the capabilities of stainless steel. Nickel Superalloy Fasteners are indispensable in critical joints within aerospace engines, gas turbines, petrochemical reactors, and marine environments. Zeron Fastners supplies a certified range of these superalloy fasteners.

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Nickel Superalloy Fasteners

Nickel Superalloy Fasteners Chemical Composition (Typical Ni-Cr-Fe Alloy)

Element Content (%)
Nickel (Ni) Balance (50 min)
Chromium (Cr) 15.0 – 25.0
Molybdenum (Mo) 3.0 – 9.0
Iron (Fe) 5.0 – 25.0
Niobium (Nb) / Cobalt (Co) Additions as required

Nickel Superalloy Fasteners Mechanical Properties (Typical Age Hardened)

Property Value (Typical)
Tensile Strength 140 – 200 ksi (965 – 1380 MPa)
Yield Strength (0.2% Offset) 90 – 140 ksi (620 – 965 MPa)
Creep Resistance Excellent at high temperatures
Hardness (Brinell) 250 – 380 HB

Nickel Superalloy Fasteners Feature Products