Hastelloy C276 Washers

Hastelloy C276 Washers are vital fastener components used to distribute the load of a threaded fastener (like a bolt or nut) evenly across a mating surface, preventing damage and minimizing the chance of the fastener loosening over time. In highly demanding industries, the washer's material is as critical as the bolt and nut. Made from **Hastelloy C276**, a robust nickel-molybdenum-chromium alloy, these washers offer unmatched resistance to a vast spectrum of corrosive chemicals, including oxidizing and reducing agents. They are indispensable for bolted assemblies in the chemical processing, pollution control, and aerospace sectors where equipment integrity must be maintained under the harshest conditions. Zeron Fasteners manufactures and supplies precise, high-performance nickel alloy Washers in various types (flat, spring, etc.) to complement all C276 bolting systems.

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Hastelloy C276 Washers

Chemical Composition (Hastelloy C276 Washers)

Element Composition (%)
Nickel (Ni) Balance
Molybdenum (Mo) 15.0 to 17.0
Chromium (Cr) 14.5 to 16.5
Iron (Fe) 4.0 to 7.0
Tungsten (W) 3.0 to 4.5
Cobalt (Co) 2.5 max
Manganese (Mn) 1.0 max
Carbon (C) 0.01 max

Mechanical Properties (Hastelloy C276 Washers)

Property Value (Minimum)
Tensile Strength, min 690 MPa (100 ksi)
Yield Strength (0.2% Offset), min 283 MPa (41 ksi)
Elongation, min 40%
Hardness (Rockwell B), max 100 HRB
Modulus of Elasticity (E) 205 GPa (29,700 ksi)

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