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    Magnesium Alloy Sheets

  • Commodity Name: Magnesium Alloy Sheets (AZ31B) 

    Specification: 

    The elements contents

    Al%

    Zn%

    Fe%

    Cu%

    Mn%

    Ni%

    Si%

    2.50~3.50 0.60~1.40 ≤0.0005 ≤0.01 0.20~1.0 ≤0.005 ≤0.10

     

    The mechanical properties at room temperature

    Material Status

    Tensile direction

    Yield Strength MPa

    MPa

    Elongation %

    Hot-rolled state Rolling direction 260 280 9.5
    Hot-rolled state Horizontal 274 300 8.5
    Annealed Rolling direction 198 254 20
    Annealed Horizontal 186 250 21.5
     
      

    Electromagnetic shielding

    Method

    ConductiveLayer

    Thickness(μm)

    Resistivity

    (ohm/sq.)

    Shielding

    Effectiveness(dB)

    Zinc Arc Spray/Plastics 12~25 0.03 50~60
    Zinc Flame Spray / Plastic 25 4.0 50~60
    Nickel-Acrylic Paint/Plastics 50 0.5~2.0 30~75
    Cathode Sputtering Plastics 0.75 2.5 70~90
    Electroplating Plastics 0.75 0.1 85
    Ion Plating Plastics 1.0 0.01 50
    Vacuum Metallizing Plastics 1.25 5~10 50~70
    Conductive Plastics 2000~3000 75~100 50
    AZ91D-Mg Al Alloy 800~1500 0.04 90~110