Hastelloy B2 Socket Weld Flanges

Hastelloy B2 Socket Weld Flanges are specialty fastener and piping components made from a nickel-molybdenum alloy designed for severe chemical processing applications. The unique chemistry of Hastelloy B2 provides outstanding resistance to non-oxidizing acids, such as hydrochloric acid (HCl) and sulfuric acid (Hâ‚‚SOâ‚„), across a wide range of temperatures and concentrations. These flanges are used to connect pipes in systems where high joint integrity is required and are particularly favored in chemical, petrochemical, and pharmaceutical industries due to their resistance to stress corrosion cracking in reducing environments. Zeron Fasteners manufactures and supplies these premium flanges, ensuring compliance with international standards like ANSI B16.5 for reliable, high-performance piping connections.

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Hastelloy B2 Socket Weld Flanges

Hastelloy B2 Chemical Composition

Element Composition (%)
Nickel (Ni) Balance
Molybdenum (Mo) 26.0 to 30.0
Iron (Fe) 2.0 max
Chromium (Cr) 1.0 max
Cobalt (Co) 1.0 max
Carbon (C) 0.02 max

Hastelloy B2 Mechanical Properties

Property Value (Minimum)
Tensile Strength, min 690 MPa (100,000 psi)
Yield Strength (0.2% Offset), min 350 MPa (51,000 psi)
Elongation, min 40%
Hardness (Rockwell B) 90 max
Density 9.24 g/cm3 (0.334 lb/in3)

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