Stainless Steel 904L Slip-On Flanges

Stainless Steel 904L Slip-On Flanges (often abbreviated as SO Flanges) are widely used mechanical fasteners in piping systems due to their simplicity and lower initial cost. They are designed with a bore that is slightly larger than the outer diameter of the pipe, allowing the flange to simply "slip over" the pipe. The flange is then secured to the pipe using fillet welds both inside and outside . This design offers good strength but is typically recommended for low-pressure, low-stress applications. The material, SS 904L, is a super austenitic stainless steel containing high levels of Chromium, Nickel, Molybdenum, and Copper, which provides exceptional resistance to severe corrosion, particularly against sulfuric acid and chloride environments. The primary application of SS 904L Slip-On Flanges is found in industries like chemical processing, fertilizer production, pulp and paper, and general industrial plumbing where highly corrosive fluids are present but operating pressures are moderate. Zeron Fasteners manufactures and supplies these flanges, ensuring easy alignment and high performance.

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