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Hastelloy B-2

Hastelloy B-2

    About Alloy

    Hastelloy B2 is a nickel-molybdenum alloy known for its exceptional resistance to a wide range of corrosive environments. It offers outstanding resistance to hydrochloric acid at all concentrations and temperatures, making it particularly well-suited for applications in chemical processing, pollution control, and industrial settings where exposure to this corrosive agent is common. Additionally, Hastelloy B2 exhibits good resistance to reducing environments such as sulfuric, acetic, and phosphoric acids, as well as resistance to stress corrosion cracking and pitting. This alloy is characterized by its high molybdenum content, which contributes to its superior corrosion resistance properties. Hastelloy B2 is also known for its excellent weldability and formability, making it a versatile material for a wide range of applications. It is commonly used in industries such as chemical processing, oil and gas, pharmaceuticals, and pollution control due to its ability to withstand aggressive chemical environments. Overall, Hastelloy B2 is a highly reliable and versatile material that offers exceptional resistance to corrosion, making it an ideal choice for demanding industrial applications where exposure to corrosive substances is a concern.

    Product Form

    Pipe Smls Pipe Welded Tube Welded Sheet / Plate Bar Forging Fitting
    ASTM B622 ASTM B619 ASTM B626 ASTM B333 ASTM B335 ASTM B564 ASTM B366

    Chemical Composition

    Element Content (%)
    Nickel, Ni 69
    Molybdenum, Mo 28
    Iron, Fe 2
    Chromium, Cr 1
    Cobalt, Co 1
    Manganese, Mn 1
    Silicon, Si 0.10
    Carbon, C 0.01

    Property

    Properties Metric Imperial
    Tensile strength 914 MPa 133000 psi
    Yield strength (@strain 0.200%) 396 MPa 57400 psi
    Elastic modulus 217 GPa 31500 ksi
    Elongation at break (in 50.8 mm) 55% 55%
    Hardness, Brinell (converted from Rockwell B hardness) 168 168
    Hardness, Knoop (converted from Rockwell B hardness) 186 186
    Hardness, Rockwell B 98 98
    Hardness, Vickers (converted from Rockwell B hardness) 241 241

    Application

    Chemical processes
    Vacuum furnaces
    Mechanical components in reducing environments

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