SS 304L Blind Flanges - Pipe End Sealing

The SS 304L Blind Flange is a solid disc-shaped component used to seal or terminate the end of a piping system, valve, or pressure vessel opening. Unlike other flange types, it lacks a bore and is simply bolted onto a corresponding flange, along with a gasket, to block flow. Blind flanges are vital for isolating sections of pipeline during maintenance, inspection, or for sealing off connections reserved for future system expansion. The use of the low-carbon 'L' grade stainless steel ensures that the flange maintains outstanding resistance to general and intergranular corrosion, providing reliable long-term pressure containment. Zeron Fasteners is a specialized manufacturer and supplier of SS 304L Blind Flanges, adhering strictly to ASME B16.5 standards to guarantee maximum strength and sealing capability across various industrial applications, including chemical and petroleum processing.

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SS 304L Blind Flanges Manufacturer in India

SS 304L Blind Flanges Chemical Composition

Element Composition (Weight %)
Carbon (C) 0.030 Max
Manganese (Mn) 2.00 Max
Phosphorus (P) 0.045 Max
Sulphur (S) 0.030 Max
Silicon (Si) 1.00 Max
Chromium (Cr) 18.00 to 20.00
Nickel (Ni) 8.00 to 12.00

SS 304L Blind Flanges Mechanical Properties

Property Minimum Requirements (ASTM A182 Standard)
Tensile Strength 485 MPa min
Yield Strength (0.2% Offset) 170 MPa min
Elongation 35% min
Facing Type Raised Face (RF) or Flat Face (FF)
Pressure Class 150\# to 2500\#

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