Spectacle Blind Flanges

Zeron Fasteners is a trusted manufacturer and exporter of Spectacle Blind Flanges, used to permanently separate or block off pipeline sections. These flanges are ideal for maintenance and inspection tasks in refineries, chemical plants, and offshore applications. Designed in accordance with ASME B16.48 and B16.5 standards, our Spectacle Blind Flanges offer high strength, pressure tolerance, and corrosion resistance, ensuring reliable shutoff and safety in piping systems.

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Spectacle Blind Flanges

Spectacle Blind Flanges Chemical Composition

Element C Mn P S Si Cu Ni Cr Mo
Content (%) 0.27 – 0.33 0.70 – 0.90 0.020– 0.030 0.015– 0.025 0.15 – 0.30 0.10 – 0.25 ≤ 0.20 ≤ 0.15 ≤ 0.05

Spectacle Blind Flanges Mechanical Properties

Tensile Strength Yield Strength Elongation Hardness
≥ 485 MPa (70 ksi) ≥ 250 MPa (36 ksi) ≥ 22% (2″ round specimen) ≤ 187 HBW

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