SS 310 Lap Joint Flanges

The SS 310 Lap Joint Flange (often abbreviated as LJ Flange) is a unique piping component that is not permanently attached to the pipe but is slipped over a corresponding Stub End, which is welded to the pipe. This allows the flange to freely rotate around the pipe, making the alignment of the bolt holes significantly easier during assembly—a major advantage in complex or large-diameter piping runs. These flanges are forged from Stainless Steel Grade 310, a specialized austenitic alloy chosen for its outstanding resistance to oxidation and structural stability, capable of operating in temperatures up to 1035°C. Zeron Fasteners manufactures and supplies high-quality SS 310 Lap Joint Flanges compliant with international standards like ASME B16.5. They are primarily used in systems that require frequent dismantling for inspection, cleaning, or modification, particularly in highly corrosive or high-temperature environments where the expense of full-alloy flanges would be prohibitive.

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