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PRODUCTS    NICKEL & NICKEL ALLOYS    UNS N06022 Hastelloy C22 rod,forging ring

UNS N06022 Hastelloy C22 rod,forging ring

Hastelloy C-22 is widely used in the chemical field and petrifaction field, such as the element of chloride organic and catalyze system.This material especially suit for high temperature environments, impure inorganic acid and organic acid (such as formic acid and acetic acid), sea-water corrosion environments.
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  • Hastelloy C-22

    Hastelloy C-22 Chemical composition:

    Alloy

    %

    Ni

    Cr

    Mo

    Fe

    W

    Co

    C

    Mn

    Si

    V

    P

    S

    C22

    Min.

    balance

    20.0

    12.5

    2

    2.5

     

     

     

     

     

     

     

    Max.

    22.5

    14.5

    6

    3.5

    2.5

    0.015

    0.5

    0.08

    0.35

    0.02

    0.02


    Hastelloy C-22 Physical properties

    Density

    8.9 g/cm³

    Melting point

    1325-1370 ℃


    Hastelloy C-22 Alloy minimum mechanical properties in the roomtemperature

    Status

    Tensile strength 
    Rm N/mm²

    Yield strength
    RP0.2 N/mm²

    Elongation
    A5 %

    Solution treatment

    690

    283

    40

    Characteristic as below :

    Hastelloy C-22 is a omnipotent of nickel, chromium and molybdenum mixed alloy, with better corrosion resistance performance than other alloys, for example, Hastelloy C-276 alloy, C-4 alloy and 625 alloy. Hastelloy C-22 have a good resistance performance to pitting, crevice corrosion and stress corrosion cracking, have excellent inoxidability water medium performance, including the wet-chlorine, nitric acid or oxidizing acid mixed acid with chloride ion. Meantime, Hastelloy C-22 possesses perfect resistance to reduction and oxidation of processing enviroments, then it can be used in some complicated environment or with many different manufacture target factory depend on the omnipotent performance. Hastelloy C-22 possess prominent resistance performance to different chemical environments, including strong oxidizing matter, such as iron chloride, copper chloride, chlorine, heat pollution liquid(organic and inorganic), formic acid, acetic acid, acetyl oxide, sea water and salting liquid and so on. Hastelloy C-22 alloy can resist the grain boundary precipitate form when jointing heat affected zone, this performance made it can applied in many kinds of chemical processing.

    Hastelloy C-22 Metallurgical structure
    Hastelloy C-22 is face-centered cubic lattice structure.

    Hastelloy C-22 Corrosion resistance
    Hastelloy C-22 alloy suit for many kinds of chemical process industry which contain the oxidizing medium and reductant. High molybdenum and chromium content make it can resist the chloride corrosion, and tungsten makethis corrosion resistancebetter.Hastelloy C-22 is one of a few material that can resist thecorrosion of moist chlorine, hypochlorite and chlorine dioxide, this alloyhave prominent corrosion resistanceto high concentration chlorate( iron chloride and copper chloride).

    Hastelloy C-22 Application field:
    Hastelloy C-22 is widely used in the chemical field and petrifaction field, such as the element of chloride organic and catalyze system.This material especially suit for high temperature environments, impure inorganic acid and organic acid (such as formic acid and acetic acid), sea-water corrosion environments.

    Hastelloy C-22 Other application field:
    1.Acetic acid/acetyl oxide
    2.Acid dipping 
    3.Cellophane paper manufacture
    4.Chloride system
    5. Complicated mixed acid

    6.Electrogalvanizing groove roller
    7.Expansion bellows
    8.Flue gas washer system
    9.Geothermal well
    10.Fluorine hydride furnace cleaner
    11.Incineration cleaner system

    12.Nuclear fuel regeneration

    13.Pesticide manufacture 
    14.Phosphoric acid manufacture 
    15.Acid cleaning system 
    16.Plate heat exchanger

    17.Selectivity filter system 
    18.Sulfur dioxide cooling tower

    19.Sulfonating system
    20.Tubing heat exchanger

    21.Resurfacing welding valve

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