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    Hastelloy B-2

    [ Release time:03.28.2016 | Hits:1080 ]

    UNS N10665 DIN W. Nr. 2.4617


    Form

    ASTM

    Rod

    B 335

    Plate, sheet and strip

    B 333, B 906

    Seamless pipe and tube

    B 622

    Welded pipe

    B 619, B 775

    Welded tube

    B 626, B 751

    Welding fitting

    B 366

    Forged or rolled pipe flange and forged fitting

    B 462

    Billet and bar for reforging

    B 472

    Forging

    B 564

             Chemical composition

    %

    Ni

    Mo

    Fe

    Cr

    Co

    C

    Mn

    Si

    P

    S

    min

    balance

    26.0









    max

    30.0

    2.0

    1.00

    1.00

    0.020

    1.00

    0.10

    0.040

    0.030

             Physical properties

    Density

    9.22 g/cm3

    Melting range

    1370-1418℃


    Features: Hastelloy B-2 has outstanding resistance to hydrochloric acid at all concentrations and temperatures. It also has significant resistance to reducing environments like sulfuric, phosphoric, acetic acids and other nonoxidizing media. Hastelloy B-2 has excellent resistance to pitting corrosion, stress corrosion cracking, and knife line and weld heat-affected zone attack. Hastelloy B-2 has poor resistance to oxidizing environments, therefore, it should not be used where ferric or cupric salts are present as these salts may cause rapid corrosion failure.


    Applications: Equipment handling reducing chemical environments; and chemical process industry involving hydrochloric, sulfuric, phosphoric and acetic acids.


     
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