Hastelloy C22 Blind Flanges

A Blind Flange is a solid disk used to seal off the end of a piping system, valve, or pressure vessel opening. Unlike other types of flanges, it has no bore, allowing easy access to the pipeline when needed, typically for inspection or future extension. When manufactured from Hastelloy C22, these flanges gain the alloy's signature resistance to a vast spectrum of harsh corrosive chemicals, making them essential components in industries dealing with aggressive media, like chemical processing and sour gas. Zeron Fasteners manufactures and supplies robust nickel alloy Blind Flanges, ensuring leak-proof seals in critical high-pressure and corrosive environments.

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Hastelloy C22 Blind Flanges

Chemical Composition (Hastelloy C22 Blind Flanges)

Element Composition (%)
Nickel (Ni) Balance
Chromium (Cr) 20.0 to 22.5
Molybdenum (Mo) 12.5 to 14.5
Tungsten (W) 2.5 to 3.5
Iron (Fe) 2.0 to 6.0
Cobalt (Co) 2.5 max
Carbon (C) 0.015 max
Vanadium (V) 0.35 max

Mechanical Properties (Hastelloy C22 Blind Flanges)

Property Value (Minimum)
Tensile Strength, min 690 MPa (100 ksi)
Yield Strength (0.2% Offset), min 310 MPa (45 ksi)
Elongation, min 40%
Hardness (Rockwell B), max 100 HRB
Modulus of Elasticity (E) 205 GPa (29,700 ksi)

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