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    INCONEL 690 / UNS N06690 / W. NR. 2.4642

    NCONEL alloy 690 is a high-chromium nickel alloy which is particularlysuitable for use in oxidising media. Good mechanical properties at room temperature and high temperature, paired with high ductility. Typical applications are: treatment of radioactive waste,components in boilers and steam generators in pressurised water reactors,production of alkali metal sulphates using Mannheim furnaces, fittings in combustion units for crude oil (oil ash corrosion)and glass and silicate production.


    Chemical Composition

    Nickel

    Ni

    58% min

     

    Carbon

    C

    0,05% max

     

    Silicon

    Si

    0,015% max

     

    Magnese

    Mn

    0,50% max

     

    Sulphur

    S

    0,03% max

     

    Copper

    Cu

    0,50% max

     

    Phosphorus

    P

    0,02% max

     

    Titan

    Ti

    0,50% max

     

    Iron

    Fe

    7-11% max

     

    Chromium

    Cr

    27-31% max


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