Hastelloy B2 Reducers

A Reducer is a pipe fitting used to connect pipes of different diameters, allowing for a gradual change in flow size within a pipeline system. They are classified as concentric (for vertical lines or systems where flow mixing is acceptable) or eccentric (for horizontal lines to maintain the top or bottom of the pipe level). When manufactured from Hastelloy B2 (UNS N10665), these reducers are guaranteed to withstand the most destructive reducing environments. The alloy’s high nickel-molybdenum composition renders it virtually immune to non-oxidizing acids, including concentrated hydrochloric acid (HCl) and sulfuric acid (Hβ‚‚SOβ‚„), which is paramount in maintaining the hydraulic integrity of the pipeline during diameter transition. Zeron Fastners is a trusted manufacturer and supplier of these specialized nickel alloy reducers, ensuring safe, stable, and corrosion-free flow transitions in chemical processing and pharmaceutical facilities.

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Hastelloy B2 Reducers

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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