Refractory Brick / block
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  • Refractory Brick / block

Refractory Brick / block

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Refractory Brick / block

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Refractory Brick / block

  • Describe
  • Technical instructions

    Technical Parameters

    refractory castable

    Castable1 1:

    ItemIndex    
    International Code NameSK35SK36SK37SK38SK40
    Chinese Code NameLZ-48LZ-55LZ-65LZ-75LZ-80
    Al2O3,%≥48≥55≥65≥75≥80
    Fe2O3,%≤2≤2≤2≤2≤2
    Refractoriness℃,min17501770179017901790
    Apparent Porosity,%≤22≤22≤23≤23≤21
    Bulk Density,g/cm32.25-2.352.25-2.352.25-2.352.25-2.352.25-2.35
    Cold Crushing Strength Mpa≥39≥44≥49≥54≥65
    0.2Mpa Refractoriness Under Load T0.2 ℃,min≥1420≥1470≥1500≥1520≥15

    Mg – C brick / al – mg – c brick / mg-al brick

    itemMgO C BRICK Al2O3 – MgO – C  BRICK
    MT-10AMT-14AMT-16AAMC -6AAMC -8A
    MgO(%)≥8076728472
    C(%)≥10141668
    AP(%)≤43.531010
    BD (g/cm3)2.92.852.82.92.85
    CCS(Mpa)≥4035354040
    ItemMA-80MA-85MA-88
    MgO %858890
    Al2O3 %76.56.5
    Bulk Density g/cm32.92.953
    Cold Crushing Strength   Mpa454550
    0.2Mpa Refractoriness   Under Load °C161016501700

    Mg – chrome brick

    ItemMGe8MGe12MGe16
    MgO %727065
    Cr2O3 %101317
    Fe2O3 %4.85.56.5
    Apparent Porosity %181818
    Bulk Density g/cm333.023.05
    Cold Crushing Strength Mpa555550
    Refractoriness Under Load °C160016001600
    ItemDMGe12DMGe16
    MgO %7469
    Cr2O3 %1418
    Fe2O3 %55.7
    Apparent Porosity %1818
    Bulk Density g/cm33.063.08
    Cold Crushing Strength Mpa5555
    Refractoriness Under Load °C17001700

    AL – SIC – C brick

    Item – al2o3 –SIC – CASC-F1ASC-F2ASC-P
    Al2O3,% ≥656055
    SiC,% ≥1088
    C,% ≥10125
    Apparent porosity,% ≤889
    Bulk density,g/cm3 2.852.832.8
    Compressive strength in commen temperature,Mpa ≥505045

    Precast brick : Precast brick spec 1 :

     HIGH ALUMINA BASE
    BRANDHD-LJ50HD-LJ55HD-LJ60HD-LJ65HD-LJ70HD-GJ75
    Al2O3  (%)  ≥505560657075
    BD110℃ × 24 h2.22.22.32.32.52.6
    (g/cm3) ≥
    MOR110℃ × 24 h677889
    (MPa) ≥1350℃ × 3 h88101011*11*
    CCS110℃ × 24 h253035404550
    (MPa)  ≥1350℃ × 3 h3040455060*65*
    PLC1350℃ × 3 h±0.5±0.5±0.5±0.5±0.5*±0.5*
    (%) ≤
     REF  (℃)135014001450150015501600

    Precast brick spec 2 :

     

    ITEM

    CORUNDUM BASE

    MULLITE BASE
    BRANDHD-GJ80HD-GJ90HD-GJ95HD-MJ55HD-MJ60HD-MJ65HD-MJ70
    Al2O3 (%) ≥80909555606570

     BD

    (g/cm3)  ≥

    110℃ × 24 h2.72.83.02.22.32.42.5

     MOR

    (MPa) ≥

    110℃ × 24 h910117789
    1350℃ × 3 h12*12*12*9101012*

     CCS

    (MPa) ≥

    110℃ × 24 h60606030354045
    1350℃ × 3 h70*75*80*40505060*

    PLC

    (%) ≤

    1350℃ × 3 h±0.5*±0.5*±0.5*±0.5±0.5±0.5±0.5*
     REF  (℃)1650170018001450150015501600

    Precast brick spec 3 :

     

    item

    单位CORUNDUM+MULLITE + SIC BASE
    HD-NMJ60HD-NMJ65HD-FK-1HD-YZ-1
    Al2O360657070
    MOR110℃×24hMPa6788
    1150℃×3h891010
    CCS110℃×24hMPa50607070
    1150℃×3h70809090
    BD110℃×24hg/cm32.42.52.62.6
    PLC110℃×24h±0.1±0.1±0.1±0.1

    Precast brick spec 4 :

    ITEMHD-CH1HD-CH2HD-CH3

     CHEM

    (%)  ≥

    Al2O3+Cr2 O39090
    Al2O3+Zr O293
    Al2O3+Cr2O3+Zr O2-95-

    BD

    (g/cm3)  ≥

    110℃ × 24h3.23.33.0

    MOR

    (MPa)  ≥

    110℃ × 24 h101010
    1500℃ × 3 h121212

    CCS

    (MPa)  ≥

    110℃ × 24 h404030
    1500℃ × 3 h10010080

    PLC

    (%)  ≤

    110℃ × 24 h±0.1±0.1±0.1
    1500℃ × 3 h+0.3~-0.5+0.3~-0.5+0.3~-0.5

    Precast brick spec 5 :

    ITEMHD-DYZ1HD-DYZ2HD-DYZ3HD-DYZ4
     Al2O3+MgO(%) ≥8090--------
    chemAl2O3+Mgo+Cr2O3(%) ≥--------8590
    BD110℃×24h2.82.82.93
    (g/cm3) ≥
    MOR (MPa)≥110℃×24h7878
    1500℃ × 3 h10101012
    CCS110℃×24h40454054
    (MPa)  ≥1500℃ × 3 h50606070

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