SS 316 Weld Neck Flanges

The SS 316 Weld Neck Flange is a high-integrity forging distinguished by its long tapered hub, which is butt-welded to the pipe. This design allows for high stress distribution across the base of the hub, making it the preferred choice for severe service conditions involving high pressure, sub-zero, or elevated temperatures. Manufactured from Grade 316 stainless steel, these flanges contain molybdenum, ensuring excellent corrosion resistance, especially against corrosive chlorides. Zeron Fasteners specializes in supplying robust and dimensionally accurate SS 316 Weld Neck Flanges, complying with ASME B16.5 standards, and providing critical structural stability for challenging pipeline systems.

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SS 316 Weld Neck Flanges Manufacturer in India

SS 316 Weld Neck 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 Weld Neck Flange Mechanical Properties

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

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