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    Incoloy 800HT

    [ Release time:03.28.2016 | Hits:786 ]


    UNS N08811 DIN W. Nr. 1.4959


    Form

    ASTM

    Rod and bar

    B 408

    Plate, sheet and strip

    A 240,A 480,B 409, B 906

    Seamless pipe and tube

    B 407, B 829

    Welded pipe

    B 514, B 775

    Welded tube

    B 515, B 751

    Welding fitting

    B 366

    Forging

    B 564

           Chemical composition

    %

    Fe

    Ni

    Cr

    C

    Mn

    Si

    S

    Cu

    Al

    Ti

    min

    39.5

    30.0

    19.0

    0.05





    0.15

    0.15

    max


    35.0

    23.0

    0.10

    1.50

    1.00

    0.015

    0.75

    0.60

    0.60

           Physical properties

    Density

    7.94.14 g/cm3

    Melting range

    1357-1385℃


    Features: Incoloy 800H has a restricted carbon content range of 0.05 to 0.10%, which is in the upper portion of that of Incoloy 800, and is annealed at 1149 to 1177℃ (Incoloy 800 is annealed at 983 to 1038℃). These differences impart it to have higher stress rupture and creep properties than Incoloy 800.

    Applications: Chemical and petrochemical process piping, high temperature heat exchangers, furnace components, carburizing equipment, heating-element sheathing, and nuclear power steam superheating tubing.


     
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