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    LJ-SJ301
    Jinan Jincai Welding Material Co. , Ltd.

    Conforming to::GB/T5293       S43S0CS-SU08A      S49S0CS-SU26

    Equivalent to: AWS-A5.17   F6A0-EL12    F7A0-EM12K

    DIN BSC 198AC10SKM

    DESCRIPTION AND APPLICATIONS

    Versatile flux for welding of ordinary  structural steel and boiler steel in combination with appropriate SAW wire(such as EM12,EM12K and EL8),which can obtain smooth weld bead with flat weld interfaces free from undercut. Steadily arc and easy slag removal, no phenomenon of slag-flow are other special features of LJ-SJ301. It can be applied to the Multi-pass weld and multi-wire weld, especially to weld pipelines in various diameters.

    • Flux type: Silicon-Calcium

    • Basicity index: 1.0

    • Grain size:2.0-0.28mm(10-60meshes)

    Compositions of fluxes (%)

    SiO2+TiO2

    CaO+MgO

    Al2O3+MnO

    CaF2

    S

    P

     25-35

      15-25

    30-40

    5-15

    ≤0.035

    ≤0.04

    Typical all weld metal mechanical property

    Wire

    Yield Stress

    Tensile Strength

    Elongation

    AKV(J)

    EL12

    ≥330Mpa 

      415-550Mpa

    ≥22%

    ≥50/0℃

    EM12K

    ≥400Mpa

    480-650Mpa

    ≥22%

    ≥50/0℃

    Remark

    1.       Before welding, fluxes should be baked for two hours at 300-350℃.

    2.       Removal of rust, oil, dirt, water, impurities, etc in welding-areas.

     

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