Nickel Superalloy Washers

Nickel Superalloy Washers are essential components in fastening systems exposed to extreme operational conditions. Alloys such as Inconel 625 (UNS N06625) are particularly chosen for their remarkable combination of high tensile strength, exceptional resistance to both oxidizing and reducing environments, and immunity to pitting and crevice corrosion in chloride media. These washers maintain their dimensional stability and load-bearing capacity even at high temperatures, preventing bolt preload relaxation. Zeron Fastners is a reliable supplier and manufacturer in India, offering precision-manufactured corrosion resistant washers for critical applications in offshore oil and gas, chemical processing, and aerospace engineering.

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Nickel Superalloy Washer 359

Nickel Superalloy Washers Chemical Composition

Element Composition (%)
Nickel (Ni) 58.0 minimum
Chromium (Cr) 20.0 to 23.0
Molybdenum (Mo) 8.0 to 10.0
Niobium and Tantalum (Nb and Ta) 3.15 to 4.15
Iron (Fe) 5.0 maximum
Cobalt (Co) 1.0 maximum

Nickel Superalloy Washers Mechanical Properties

Property Value (Annealed)
Tensile Strength, minimum 830 MPa (120 ksi)
Yield Strength, minimum 415 MPa (60 ksi)
Max Service Temperature Up to 980°C (1800°F)
Crevice Corrosion Resistance Excellent
Hardness (HB) 180 maximum

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