SS 316 Socket Weld Flanges

The SS 316 Socket Weld Flange (SW) is a highly reliable forging primarily used in high-pressure, small-diameter piping systems (typically up to NPS 3). The pipe is inserted into the socket of the flange and then secured with a single fillet weld around the exterior. This design provides superior strength and high internal pressure resistance, making it an excellent alternative to threaded connections. Fabricated from Grade 316 stainless steel, these flanges contain molybdenum, ensuring excellent corrosion resistance, particularly against chlorides and pitting. Zeron Fasteners manufactures and supplies robust SS 316 Socket Weld Flanges, adhering strictly to standards like ASME B16.5, ensuring maximum leak-proof integrity in critical chemical, hydraulic, and steam lines.

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SS 316 Socket Weld Flanges Manufacturer in India

SS 316 Socket Weld Flange Chemical Composition

Element Composition (Max %)
Carbon (C) 0.08
Manganese (Mn) 2.00
Silicon (Si) 1.00
Phosphorus (P) 0.045
Sulfur (S) 0.030
Chromium (Cr) 16.0 – 18.0
Nickel (Ni) 10.0 – 14.0
Molybdenum (Mo) 2.0 – 3.0

SS 316 Socket Weld Flange Mechanical Properties

Property Value
Tensile Strength 515 MPa 75,000 psi
Yield Strength (0.2% Offset) 205 MPa 30,000 psi
Elongation in 2 in. or 50 mm 30%
Hardness 190 HBW

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