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    Fused cast AZS 33 block

    Fused Cast AZS 33 blcok are the most widely used materials both in glass melting furnaces and reheating furnace in the steel mill.Fused cast AZS block widely used for glass furnace for superstructure, working end side wall, paving blocks, feeder channels, tank bottoms, C-shaped block and doghouse crown,etc..
    Other name:Fused cast block ER 1681 ,Fused ZB block 1681,Fused cast block CS-3,Fused cast block UNICOR 501, Fused cast block REFEL 1532
    Model Number:Fused cast AZS 33 block
    Certification:ISO9001-14001
    Minimum Order Quantity:10 MT
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    Fused cast AZS 33 block descriptions

    Fused Cast AZS blcok are the most widely used materials both in glass melting furnaces and reheating furnace in the steel mill.Fused cast AZS 33 block has dense micro structure which ensures its great resistance in glass liquid, so you don’t have to worry about the solidification and other problems. Fused cast AZS block widely used for  glass furnace for superstructure, working end side wall, paving blocks, feeder channels, tank bottoms, C-shaped block and doghouse crown,etc..


    Fused cast AZS 33 block features

    1. fused cast block casted by melting raw material in the electric arch furnace at themperature more than 2300 degree, then cooling and solidification.

    2.Fused cast AZS block have Strong glass corrosion resistance and high thermal shock stability.

    3. Better wear-resistance,slag-resistance and alkali corrosion resistance.

    4.Produced by high-purity raw material, barely no pollution.

    5.Huachen company fused cast blcok with top quality, long service time.


    Fused cast AZS 33 block casting methord 

    used cast AZS 33 block have four cast method, with different method fused cast AZS 33 block has different usage.

    casting  refractory.jpg

    (a) under PT method, fused cast AZS 33 block usually made into tuckstone, nozzle block, feeder channel , breast wall and other hole bricks;

    (b) using QX method, fused cast AZS 33 block mainly be made as tank wall block;

    (c) (c) using ZWS and WS. AZS-33# brick usually be made as C-shape brick, smelting tank block and tank side wall brick.


    Fused cast AZS 33 block Physical and Chemical 

     Chemical Composition ( % ) 

    AZS 33 

    ZrO2 

    ≥ 32.5 

    SiO2 

     15.5 

    Al2O3 

    Remains 

    Na2O 

    ≤ 1.4 

    Fe2O+ TiO2 

     0.25 

    Physical  characters 


    Volume density  (hardest part) 

    ≥ 3.80 

    Cold crushing strength (Mpa) 

    ≥ 300 

    Exudation Temp. of glass phase (℃) 

    ≥ 1400 

    Refractorinessunder load of beginning  (0.2MPa) 

    1700 

    Corrosion Resistance to glass melt  1300℃ x 10h ( mm/24hr ) 

    1.5 

    Bulk density (g/cm) 

    PT 

    3.42 





    QX 

    3.45 


    ZWS 

    3.65 


    WS 

    3.70 

    Crystalline phase composition ( % ) 


    Baddeleyite monocrystal 

                         32 

    Glass phase

    s9      20dsdgfsdfsgsg 

    Corundum 

                         47 



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